20356181280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1550

約数の個数: 480

約数和(自身を含む): 76611515904

約数和(自身を除く): 56255334624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 47, 48, 54, 60, 69, 72, 80, 81, 90, 92, 94, 96, 108, 115, 120, 135, 138, 141, 144, 160, 162, 180, 184, 188, 207, 216, 230, 235, 240, 270, 276, 282, 288, 324, 345, 360, 368, 376, 405, 414, 423, 432, 460, 470, 480, 540, 552, 564, 621, 648, 690, 705, 720, 736, 752, 810, 828, 846, 864, 920, 940, 1035, 1080, 1081, 1104, 1128, 1242, 1269, 1296, 1380, 1410, 1440, 1453, 1504, 1620, 1656, 1692, 1840, 1863, 1880, 2070, 2115, 2160, 2162, 2208, 2256, 2484, 2538, 2592, 2760, 2820, 2906, 3105, 3240, 3243, 3312, 3384, 3680, 3726, 3760, 3807, 4140, 4230, 4320, 4324, 4359, 4512, 4968, 5076, 5405, 5520, 5640, 5812, 6210, 6345, 6480, 6486, 6624, 6768, 7265, 7452, 7520, 7614, 8280, 8460, 8648, 8718, 9315, 9729, 9936, 10152, 10810, 11040, 11280, 11624, 12420, 12690, 12960, 12972, 13077, 13536, 14530, 14904, 15228, 16215, 16560, 16920, 17296, 17436, 18630, 19035, 19458, 19872, 20304, 21620, 21795, 22560, 23248, 24840, 25380, 25944, 26154, 29060, 29187, 29808, 30456, 32430, 33120, 33419, 33840, 34592, 34872, 37260, 38070, 38916, 39231, 40608, 43240, 43590, 46496, 48645, 49680, 50760, 51888, 52308, 58120, 58374, 59616, 60912, 64860, 65385, 66838, 67680, 68291, 69744, 74520, 76140, 77832, 78462, 86480, 87180, 87561, 97290, 99360, 100257, 101520, 103776, 104616, 116240, 116748, 117693, 121824, 129720, 130770, 133676, 136582, 139488, 145935, 149040, 152280, 155664, 156924, 167095, 172960, 174360, 175122, 194580, 196155, 200514, 203040, 204873, 209232, 232480, 233496, 235386, 259440, 261540, 267352, 273164, 291870, 298080, 300771, 304560, 311328, 313848, 334190, 341455, 348720, 350244, 389160, 392310, 401028, 409746, 418464, 437805, 466992, 470772, 501285, 518880, 523080, 534704, 546328, 583740, 588465, 601542, 609120, 614619, 627696, 668380, 682910, 697440, 700488, 778320, 784620, 802056, 819492, 875610, 902313, 933984, 941544, 1002570, 1024365, 1046160, 1069408, 1092656, 1167480, 1176930, 1203084, 1229238, 1255392, 1336760, 1365820, 1400976, 1503855, 1556640, 1569240, 1570693, 1604112, 1638984, 1751220, 1804626, 1843857, 1883088, 2005140, 2048730, 2092320, 2185312, 2334960, 2353860, 2406168, 2458476, 2673520, 2706939, 2731640, 2801952, 3007710, 3073095, 3138480, 3141386, 3208224, 3277968, 3502440, 3609252, 3687714, 3766176, 4010280, 4097460, 4511565, 4669920, 4707720, 4712079, 4812336, 4916952, 5347040, 5413878, 5463280, 5531571, 6015420, 6146190, 6276960, 6282772, 6555936, 7004880, 7218504, 7375428, 7853465, 8020560, 8194920, 9023130, 9219285, 9415440, 9424158, 9624672, 9833904, 10827756, 10926560, 11063142, 12030840, 12292380, 12565544, 13534695, 14009760, 14136237, 14437008, 14750856, 15706930, 16041120, 16389840, 18046260, 18438570, 18830880, 18848316, 19667808, 21655512, 22126284, 23560395, 24061680, 24584760, 25131088, 27069390, 27657855, 28272474, 28874016, 29501712, 31413860, 32779680, 36092520, 36877140, 37696632, 42408711, 43311024, 44252568, 47120790, 48123360, 49169520, 50262176, 54138780, 55315710, 56544948, 59003424, 62827720, 70681185, 72185040, 73754280, 75393264, 84817422, 86622048, 88505136, 94241580, 98339040, 108277560, 110631420, 113089896, 125655440, 127226133, 141362370, 144370080, 147508560, 150786528, 169634844, 177010272, 188483160, 212043555, 216555120, 221262840, 226179792, 251310880, 254452266, 282724740, 295017120, 339269688, 376966320, 424087110, 433110240, 442525680, 452359584, 508904532, 565449480, 636130665, 678539376, 753932640, 848174220, 885051360, 1017809064, 1130898960, 1272261330, 1357078752, 1696348440, 2035618128, 2261797920, 2544522660, 3392696880, 4071236256, 5089045320, 6785393760, 10178090640, 20356181280]

約数ペア:

[(1, 20356181280), (2, 10178090640), (3, 6785393760), (4, 5089045320), (5, 4071236256), (6, 3392696880), (8, 2544522660), (9, 2261797920), (10, 2035618128), (12, 1696348440), (15, 1357078752), (16, 1272261330), (18, 1130898960), (20, 1017809064), (23, 885051360), (24, 848174220), (27, 753932640), (30, 678539376), (32, 636130665), (36, 565449480), (40, 508904532), (45, 452359584), (46, 442525680), (47, 433110240), (48, 424087110), (54, 376966320), (60, 339269688), (69, 295017120), (72, 282724740), (80, 254452266), (81, 251310880), (90, 226179792), (92, 221262840), (94, 216555120), (96, 212043555), (108, 188483160), (115, 177010272), (120, 169634844), (135, 150786528), (138, 147508560), (141, 144370080), (144, 141362370), (160, 127226133), (162, 125655440), (180, 113089896), (184, 110631420), (188, 108277560), (207, 98339040), (216, 94241580), (230, 88505136), (235, 86622048), (240, 84817422), (270, 75393264), (276, 73754280), (282, 72185040), (288, 70681185), (324, 62827720), (345, 59003424), (360, 56544948), (368, 55315710), (376, 54138780), (405, 50262176), (414, 49169520), (423, 48123360), (432, 47120790), (460, 44252568), (470, 43311024), (480, 42408711), (540, 37696632), (552, 36877140), (564, 36092520), (621, 32779680), (648, 31413860), (690, 29501712), (705, 28874016), (720, 28272474), (736, 27657855), (752, 27069390), (810, 25131088), (828, 24584760), (846, 24061680), (864, 23560395), (920, 22126284), (940, 21655512), (1035, 19667808), (1080, 18848316), (1081, 18830880), (1104, 18438570), (1128, 18046260), (1242, 16389840), (1269, 16041120), (1296, 15706930), (1380, 14750856), (1410, 14437008), (1440, 14136237), (1453, 14009760), (1504, 13534695), (1620, 12565544), (1656, 12292380), (1692, 12030840), (1840, 11063142), (1863, 10926560), (1880, 10827756), (2070, 9833904), (2115, 9624672), (2160, 9424158), (2162, 9415440), (2208, 9219285), (2256, 9023130), (2484, 8194920), (2538, 8020560), (2592, 7853465), (2760, 7375428), (2820, 7218504), (2906, 7004880), (3105, 6555936), (3240, 6282772), (3243, 6276960), (3312, 6146190), (3384, 6015420), (3680, 5531571), (3726, 5463280), (3760, 5413878), (3807, 5347040), (4140, 4916952), (4230, 4812336), (4320, 4712079), (4324, 4707720), (4359, 4669920), (4512, 4511565), (4968, 4097460), (5076, 4010280), (5405, 3766176), (5520, 3687714), (5640, 3609252), (5812, 3502440), (6210, 3277968), (6345, 3208224), (6480, 3141386), (6486, 3138480), (6624, 3073095), (6768, 3007710), (7265, 2801952), (7452, 2731640), (7520, 2706939), (7614, 2673520), (8280, 2458476), (8460, 2406168), (8648, 2353860), (8718, 2334960), (9315, 2185312), (9729, 2092320), (9936, 2048730), (10152, 2005140), (10810, 1883088), (11040, 1843857), (11280, 1804626), (11624, 1751220), (12420, 1638984), (12690, 1604112), (12960, 1570693), (12972, 1569240), (13077, 1556640), (13536, 1503855), (14530, 1400976), (14904, 1365820), (15228, 1336760), (16215, 1255392), (16560, 1229238), (16920, 1203084), (17296, 1176930), (17436, 1167480), (18630, 1092656), (19035, 1069408), (19458, 1046160), (19872, 1024365), (20304, 1002570), (21620, 941544), (21795, 933984), (22560, 902313), (23248, 875610), (24840, 819492), (25380, 802056), (25944, 784620), (26154, 778320), (29060, 700488), (29187, 697440), (29808, 682910), (30456, 668380), (32430, 627696), (33120, 614619), (33419, 609120), (33840, 601542), (34592, 588465), (34872, 583740), (37260, 546328), (38070, 534704), (38916, 523080), (39231, 518880), (40608, 501285), (43240, 470772), (43590, 466992), (46496, 437805), (48645, 418464), (49680, 409746), (50760, 401028), (51888, 392310), (52308, 389160), (58120, 350244), (58374, 348720), (59616, 341455), (60912, 334190), (64860, 313848), (65385, 311328), (66838, 304560), (67680, 300771), (68291, 298080), (69744, 291870), (74520, 273164), (76140, 267352), (77832, 261540), (78462, 259440), (86480, 235386), (87180, 233496), (87561, 232480), (97290, 209232), (99360, 204873), (100257, 203040), (101520, 200514), (103776, 196155), (104616, 194580), (116240, 175122), (116748, 174360), (117693, 172960), (121824, 167095), (129720, 156924), (130770, 155664), (133676, 152280), (136582, 149040), (139488, 145935)]