20908374480

素因数分解:

$2^4\times 3^4\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 800

約数和(自身を含む): 88583616000

約数和(自身を除く): 67675241520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 48, 49, 54, 56, 60, 63, 69, 70, 72, 80, 81, 84, 90, 92, 98, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 147, 161, 162, 168, 180, 184, 189, 196, 207, 210, 216, 230, 240, 245, 252, 270, 276, 280, 294, 315, 322, 324, 336, 343, 345, 360, 368, 378, 392, 405, 409, 414, 420, 432, 441, 460, 483, 490, 504, 540, 552, 560, 567, 588, 621, 630, 644, 648, 686, 690, 720, 735, 756, 784, 805, 810, 818, 828, 840, 882, 920, 945, 966, 980, 1008, 1029, 1035, 1080, 1104, 1127, 1134, 1176, 1227, 1242, 1260, 1288, 1296, 1323, 1372, 1380, 1449, 1470, 1512, 1610, 1620, 1636, 1656, 1680, 1715, 1764, 1840, 1863, 1890, 1932, 1960, 2045, 2058, 2070, 2160, 2205, 2254, 2268, 2352, 2415, 2454, 2484, 2520, 2576, 2646, 2744, 2760, 2835, 2863, 2898, 2940, 3024, 3087, 3105, 3220, 3240, 3272, 3312, 3381, 3430, 3528, 3681, 3726, 3780, 3864, 3920, 3969, 4090, 4116, 4140, 4347, 4410, 4508, 4536, 4830, 4908, 4968, 5040, 5145, 5292, 5488, 5520, 5635, 5670, 5726, 5796, 5880, 6135, 6174, 6210, 6440, 6480, 6544, 6615, 6762, 6860, 7056, 7245, 7362, 7452, 7560, 7728, 7889, 7938, 8180, 8232, 8280, 8589, 8694, 8820, 9016, 9072, 9261, 9315, 9407, 9660, 9816, 9936, 10143, 10290, 10584, 11043, 11270, 11340, 11452, 11592, 11760, 12270, 12348, 12420, 12880, 13041, 13230, 13524, 13720, 14315, 14490, 14724, 14904, 15120, 15435, 15778, 15876, 16360, 16464, 16560, 16905, 17178, 17388, 17640, 18032, 18405, 18522, 18630, 18814, 19320, 19632, 19845, 20041, 20286, 20580, 21168, 21735, 22086, 22540, 22680, 22904, 23184, 23667, 24540, 24696, 24840, 25767, 26082, 26460, 27048, 27440, 27783, 28221, 28630, 28980, 29448, 29808, 30429, 30870, 31556, 31752, 32720, 33129, 33810, 34356, 34776, 35280, 36810, 37044, 37260, 37628, 38640, 39445, 39690, 40082, 40572, 41160, 42945, 43470, 44172, 45080, 45360, 45808, 46305, 47035, 47334, 49080, 49392, 49680, 50715, 51534, 52164, 52920, 54096, 55215, 55566, 56442, 57260, 57960, 58896, 60123, 60858, 61740, 63112, 63504, 65205, 65849, 66258, 67620, 68712, 69552, 71001, 73620, 74088, 74520, 75256, 77301, 78890, 79380, 80164, 81144, 82320, 84663, 85890, 86940, 88344, 90160, 91287, 92610, 94070, 94668, 98160, 100205, 101430, 103068, 104328, 105840, 110430, 111132, 112884, 114520, 115920, 118335, 120246, 121716, 123480, 126224, 128835, 130410, 131698, 132516, 135240, 137424, 138915, 140287, 141105, 142002, 147240, 148176, 149040, 150512, 152145, 154602, 157780, 158760, 160328, 162288, 165645, 169326, 171780, 173880, 176688, 180369, 182574, 185220, 188140, 189336, 197547, 200410, 202860, 206136, 208656, 213003, 220860, 222264, 225768, 229040, 231903, 236670, 240492, 243432, 246960, 253989, 257670, 260820, 263396, 265032, 270480, 277830, 280574, 282210, 284004, 294480, 300615, 304290, 309204, 315560, 317520, 320656, 329245, 331290, 338652, 343560, 347760, 355005, 360738, 365148, 370440, 376280, 378672, 386505, 395094, 400820, 405720, 412272, 420861, 423315, 426006, 441720, 444528, 451536, 456435, 460943, 463806, 473340, 480984, 486864, 507978, 515340, 521640, 526792, 530064, 541107, 555660, 561148, 564420, 568008, 592641, 601230, 608580, 618408, 631120, 639009, 658490, 662580, 677304, 687120, 701435, 710010, 721476, 730296, 740880, 752560, 761967, 773010, 790188, 801640, 811440, 841722, 846630, 852012, 883440, 901845, 912870, 921886, 927612, 946680, 961968, 987735, 1015956, 1030680, 1043280, 1053584, 1065015, 1082214, 1111320, 1122296, 1128840, 1136016, 1159515, 1185282, 1202460, 1217160, 1236816, 1262583, 1269945, 1278018, 1316980, 1325160, 1354608, 1382829, 1402870, 1420020, 1442952, 1460592, 1523934, 1546020, 1580376, 1603280, 1623321, 1683444, 1693260, 1704024, 1777923, 1803690, 1825740, 1843772, 1855224, 1893360, 1975470, 2031912, 2061360, 2104305, 2130030, 2164428, 2222640, 2244592, 2257680, 2304715, 2319030, 2370564, 2404920, 2434320, 2525166, 2539890, 2556036, 2633960, 2650320, 2705535, 2765658, 2805740, 2840040, 2885904, 2963205, 3047868, 3092040, 3160752, 3195045, 3226601, 3246642, 3366888, 3386520, 3408048, 3555846, 3607380, 3651480, 3687544, 3710448, 3787749, 3809835, 3950940, 4063824, 4148487, 4208610, 4260060, 4328856, 4609430, 4638060, 4741128, 4809840, 5050332, 5079780, 5112072, 5267920, 5333769, 5411070, 5531316, 5611480, 5680080, 5926410, 6095736, 6184080, 6312915, 6390090, 6453202, 6493284, 6733776, 6773040, 6914145, 7111692, 7214760, 7302960, 7375088, 7575498, 7619670, 7901880, 8116605, 8296974, 8417220, 8520120, 8657712, 8889615, 9218860, 9276120, 9482256, 9679803, 10100664, 10159560, 10224144, 10667538, 10822140, 11062632, 11222960, 11363247, 11852820, 12191472, 12445461, 12625830, 12780180, 12906404, 12986568, 13828290, 14223384, 14429520, 15150996, 15239340, 15803760, 16133005, 16233210, 16593948, 16834440, 17040240, 17779230, 18437720, 18552240, 18938745, 19359606, 20201328, 20319120, 20742435, 21335076, 21644280, 22125264, 22726494, 23705640, 24890922, 25251660, 25560360, 25812808, 25973136, 26668845, 27656580, 28446768, 29039409, 30301992, 30478680, 32266010, 32466420, 33187896, 33668880, 35558460, 36875440, 37336383, 37877490, 38719212, 41484870, 42670152, 43288560, 45452988, 47411280, 48399015, 49781844, 50503320, 51120720, 51625616, 53337690, 55313160, 56816235, 58078818, 60603984, 60957360, 62227305, 64532020, 64932840, 66375792, 71116920, 74672766, 75754980, 77438424, 82969740, 85340304, 87118227, 90905976, 96798030, 99563688, 101006640, 106675380, 110626320, 113632470, 116157636, 124454610, 129064040, 129865680, 142233840, 145197045, 149345532, 151509960, 154876848, 165939480, 174236454, 181811952, 186681915, 193596060, 199127376, 213350760, 227264940, 232315272, 248909220, 258128080, 261354681, 290394090, 298691064, 303019920, 331878960, 348472908, 373363830, 387192120, 426701520, 435591135, 454529880, 464630544, 497818440, 522709362, 580788180, 597382128, 696945816, 746727660, 774384240, 871182270, 909059760, 995636880, 1045418724, 1161576360, 1306773405, 1393891632, 1493455320, 1742364540, 2090837448, 2323152720, 2613546810, 2986910640, 3484729080, 4181674896, 5227093620, 6969458160, 10454187240, 20908374480]

約数ペア:

[(1, 20908374480), (2, 10454187240), (3, 6969458160), (4, 5227093620), (5, 4181674896), (6, 3484729080), (7, 2986910640), (8, 2613546810), (9, 2323152720), (10, 2090837448), (12, 1742364540), (14, 1493455320), (15, 1393891632), (16, 1306773405), (18, 1161576360), (20, 1045418724), (21, 995636880), (23, 909059760), (24, 871182270), (27, 774384240), (28, 746727660), (30, 696945816), (35, 597382128), (36, 580788180), (40, 522709362), (42, 497818440), (45, 464630544), (46, 454529880), (48, 435591135), (49, 426701520), (54, 387192120), (56, 373363830), (60, 348472908), (63, 331878960), (69, 303019920), (70, 298691064), (72, 290394090), (80, 261354681), (81, 258128080), (84, 248909220), (90, 232315272), (92, 227264940), (98, 213350760), (105, 199127376), (108, 193596060), (112, 186681915), (115, 181811952), (120, 174236454), (126, 165939480), (135, 154876848), (138, 151509960), (140, 149345532), (144, 145197045), (147, 142233840), (161, 129865680), (162, 129064040), (168, 124454610), (180, 116157636), (184, 113632470), (189, 110626320), (196, 106675380), (207, 101006640), (210, 99563688), (216, 96798030), (230, 90905976), (240, 87118227), (245, 85340304), (252, 82969740), (270, 77438424), (276, 75754980), (280, 74672766), (294, 71116920), (315, 66375792), (322, 64932840), (324, 64532020), (336, 62227305), (343, 60957360), (345, 60603984), (360, 58078818), (368, 56816235), (378, 55313160), (392, 53337690), (405, 51625616), (409, 51120720), (414, 50503320), (420, 49781844), (432, 48399015), (441, 47411280), (460, 45452988), (483, 43288560), (490, 42670152), (504, 41484870), (540, 38719212), (552, 37877490), (560, 37336383), (567, 36875440), (588, 35558460), (621, 33668880), (630, 33187896), (644, 32466420), (648, 32266010), (686, 30478680), (690, 30301992), (720, 29039409), (735, 28446768), (756, 27656580), (784, 26668845), (805, 25973136), (810, 25812808), (818, 25560360), (828, 25251660), (840, 24890922), (882, 23705640), (920, 22726494), (945, 22125264), (966, 21644280), (980, 21335076), (1008, 20742435), (1029, 20319120), (1035, 20201328), (1080, 19359606), (1104, 18938745), (1127, 18552240), (1134, 18437720), (1176, 17779230), (1227, 17040240), (1242, 16834440), (1260, 16593948), (1288, 16233210), (1296, 16133005), (1323, 15803760), (1372, 15239340), (1380, 15150996), (1449, 14429520), (1470, 14223384), (1512, 13828290), (1610, 12986568), (1620, 12906404), (1636, 12780180), (1656, 12625830), (1680, 12445461), (1715, 12191472), (1764, 11852820), (1840, 11363247), (1863, 11222960), (1890, 11062632), (1932, 10822140), (1960, 10667538), (2045, 10224144), (2058, 10159560), (2070, 10100664), (2160, 9679803), (2205, 9482256), (2254, 9276120), (2268, 9218860), (2352, 8889615), (2415, 8657712), (2454, 8520120), (2484, 8417220), (2520, 8296974), (2576, 8116605), (2646, 7901880), (2744, 7619670), (2760, 7575498), (2835, 7375088), (2863, 7302960), (2898, 7214760), (2940, 7111692), (3024, 6914145), (3087, 6773040), (3105, 6733776), (3220, 6493284), (3240, 6453202), (3272, 6390090), (3312, 6312915), (3381, 6184080), (3430, 6095736), (3528, 5926410), (3681, 5680080), (3726, 5611480), (3780, 5531316), (3864, 5411070), (3920, 5333769), (3969, 5267920), (4090, 5112072), (4116, 5079780), (4140, 5050332), (4347, 4809840), (4410, 4741128), (4508, 4638060), (4536, 4609430), (4830, 4328856), (4908, 4260060), (4968, 4208610), (5040, 4148487), (5145, 4063824), (5292, 3950940), (5488, 3809835), (5520, 3787749), (5635, 3710448), (5670, 3687544), (5726, 3651480), (5796, 3607380), (5880, 3555846), (6135, 3408048), (6174, 3386520), (6210, 3366888), (6440, 3246642), (6480, 3226601), (6544, 3195045), (6615, 3160752), (6762, 3092040), (6860, 3047868), (7056, 2963205), (7245, 2885904), (7362, 2840040), (7452, 2805740), (7560, 2765658), (7728, 2705535), (7889, 2650320), (7938, 2633960), (8180, 2556036), (8232, 2539890), (8280, 2525166), (8589, 2434320), (8694, 2404920), (8820, 2370564), (9016, 2319030), (9072, 2304715), (9261, 2257680), (9315, 2244592), (9407, 2222640), (9660, 2164428), (9816, 2130030), (9936, 2104305), (10143, 2061360), (10290, 2031912), (10584, 1975470), (11043, 1893360), (11270, 1855224), (11340, 1843772), (11452, 1825740), (11592, 1803690), (11760, 1777923), (12270, 1704024), (12348, 1693260), (12420, 1683444), (12880, 1623321), (13041, 1603280), (13230, 1580376), (13524, 1546020), (13720, 1523934), (14315, 1460592), (14490, 1442952), (14724, 1420020), (14904, 1402870), (15120, 1382829), (15435, 1354608), (15778, 1325160), (15876, 1316980), (16360, 1278018), (16464, 1269945), (16560, 1262583), (16905, 1236816), (17178, 1217160), (17388, 1202460), (17640, 1185282), (18032, 1159515), (18405, 1136016), (18522, 1128840), (18630, 1122296), (18814, 1111320), (19320, 1082214), (19632, 1065015), (19845, 1053584), (20041, 1043280), (20286, 1030680), (20580, 1015956), (21168, 987735), (21735, 961968), (22086, 946680), (22540, 927612), (22680, 921886), (22904, 912870), (23184, 901845), (23667, 883440), (24540, 852012), (24696, 846630), (24840, 841722), (25767, 811440), (26082, 801640), (26460, 790188), (27048, 773010), (27440, 761967), (27783, 752560), (28221, 740880), (28630, 730296), (28980, 721476), (29448, 710010), (29808, 701435), (30429, 687120), (30870, 677304), (31556, 662580), (31752, 658490), (32720, 639009), (33129, 631120), (33810, 618408), (34356, 608580), (34776, 601230), (35280, 592641), (36810, 568008), (37044, 564420), (37260, 561148), (37628, 555660), (38640, 541107), (39445, 530064), (39690, 526792), (40082, 521640), (40572, 515340), (41160, 507978), (42945, 486864), (43470, 480984), (44172, 473340), (45080, 463806), (45360, 460943), (45808, 456435), (46305, 451536), (47035, 444528), (47334, 441720), (49080, 426006), (49392, 423315), (49680, 420861), (50715, 412272), (51534, 405720), (52164, 400820), (52920, 395094), (54096, 386505), (55215, 378672), (55566, 376280), (56442, 370440), (57260, 365148), (57960, 360738), (58896, 355005), (60123, 347760), (60858, 343560), (61740, 338652), (63112, 331290), (63504, 329245), (65205, 320656), (65849, 317520), (66258, 315560), (67620, 309204), (68712, 304290), (69552, 300615), (71001, 294480), (73620, 284004), (74088, 282210), (74520, 280574), (75256, 277830), (77301, 270480), (78890, 265032), (79380, 263396), (80164, 260820), (81144, 257670), (82320, 253989), (84663, 246960), (85890, 243432), (86940, 240492), (88344, 236670), (90160, 231903), (91287, 229040), (92610, 225768), (94070, 222264), (94668, 220860), (98160, 213003), (100205, 208656), (101430, 206136), (103068, 202860), (104328, 200410), (105840, 197547), (110430, 189336), (111132, 188140), (112884, 185220), (114520, 182574), (115920, 180369), (118335, 176688), (120246, 173880), (121716, 171780), (123480, 169326), (126224, 165645), (128835, 162288), (130410, 160328), (131698, 158760), (132516, 157780), (135240, 154602), (137424, 152145), (138915, 150512), (140287, 149040), (141105, 148176), (142002, 147240)]