20931327720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:426

約数の個数: 512

約数和(自身を含む): 75452313600

約数和(自身を除く): 54520985880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 37, 40, 45, 54, 60, 61, 62, 72, 74, 90, 93, 108, 111, 120, 122, 124, 135, 148, 155, 180, 183, 185, 186, 216, 222, 244, 248, 270, 277, 279, 296, 305, 310, 333, 360, 366, 370, 372, 444, 465, 488, 540, 549, 554, 555, 558, 610, 620, 666, 732, 740, 744, 831, 837, 888, 915, 930, 999, 1080, 1098, 1108, 1110, 1116, 1147, 1220, 1240, 1332, 1385, 1395, 1464, 1480, 1647, 1662, 1665, 1674, 1830, 1860, 1891, 1998, 2196, 2216, 2220, 2232, 2257, 2294, 2440, 2493, 2664, 2745, 2770, 2790, 3294, 3324, 3330, 3348, 3441, 3660, 3720, 3782, 3996, 4155, 4185, 4392, 4440, 4514, 4588, 4986, 4995, 5490, 5540, 5580, 5673, 5735, 6588, 6648, 6660, 6696, 6771, 6882, 7320, 7479, 7564, 7992, 8235, 8310, 8370, 8587, 9028, 9176, 9455, 9972, 9990, 10249, 10323, 10980, 11080, 11160, 11285, 11346, 11470, 12465, 13176, 13320, 13542, 13764, 14958, 15128, 16470, 16620, 16740, 16897, 17019, 17174, 17205, 18056, 18910, 19944, 19980, 20313, 20498, 20646, 21960, 22570, 22692, 22940, 24930, 25761, 27084, 27528, 28365, 29916, 30747, 30969, 32940, 33240, 33480, 33794, 33855, 34038, 34348, 34410, 37395, 37820, 39960, 40626, 40996, 41292, 42935, 45140, 45384, 45880, 49860, 50691, 51057, 51245, 51522, 51615, 54168, 56730, 59832, 60939, 61494, 61938, 65880, 67588, 67710, 68076, 68696, 68820, 69967, 74790, 75640, 77283, 81252, 81992, 82584, 84485, 85095, 85870, 90280, 92241, 99720, 101382, 101565, 102114, 102490, 103044, 103230, 113460, 121878, 122988, 123876, 128805, 135176, 135420, 136152, 137640, 139934, 149580, 152073, 153735, 154566, 154845, 162504, 168970, 170190, 171740, 184482, 202764, 203130, 204228, 204980, 206088, 206460, 209901, 226920, 231849, 243756, 245976, 247752, 253455, 255285, 257610, 270840, 276723, 279868, 299160, 304146, 304695, 307470, 309132, 309690, 317719, 337940, 340380, 343480, 349835, 368964, 386415, 405528, 406260, 408456, 409960, 412920, 419802, 456219, 461205, 463698, 487512, 506910, 510570, 515220, 523807, 553446, 559736, 608292, 609390, 614940, 618264, 619380, 625189, 629703, 635438, 675880, 680760, 699670, 737928, 760365, 772830, 812520, 839604, 912438, 922410, 927396, 953157, 1013820, 1021140, 1030440, 1047614, 1049505, 1106892, 1159245, 1216584, 1218780, 1229880, 1238760, 1250378, 1259406, 1270876, 1383615, 1399340, 1520730, 1545660, 1571421, 1588595, 1679208, 1824876, 1844820, 1854792, 1875567, 1889109, 1906314, 2027640, 2042280, 2095228, 2099010, 2213784, 2281095, 2318490, 2437560, 2500756, 2518812, 2541752, 2619035, 2767230, 2798680, 2859471, 3041460, 3091320, 3125945, 3142842, 3148515, 3177190, 3649752, 3689640, 3751134, 3778218, 3812628, 4190456, 4198020, 4562190, 4636980, 4714263, 4765785, 5001512, 5037624, 5238070, 5534460, 5626701, 5718942, 6082920, 6251890, 6285684, 6297030, 6354380, 7502268, 7556436, 7625256, 7857105, 8396040, 8578413, 9124380, 9273960, 9377835, 9428526, 9445545, 9531570, 10476140, 11068920, 11253402, 11437884, 12503780, 12571368, 12594060, 12708760, 14142789, 14297355, 15004536, 15112872, 15714210, 16880103, 17156826, 18248760, 18755670, 18857052, 18891090, 19063140, 19380859, 20952280, 22506804, 22875768, 23571315, 25007560, 25188120, 28133505, 28285578, 28594710, 31428420, 33760206, 34313652, 37511340, 37714104, 37782180, 38126280, 38761718, 42892065, 45013608, 47142630, 56267010, 56571156, 57189420, 58142577, 62856840, 67520412, 68627304, 70713945, 75022680, 75564360, 77523436, 84400515, 85784130, 94285260, 96904295, 112534020, 113142312, 114378840, 116285154, 135040824, 141427890, 155046872, 168801030, 171568260, 174427731, 188570520, 193808590, 225068040, 232570308, 282855780, 290712885, 337602060, 343136520, 348855462, 387617180, 465140616, 523283193, 565711560, 581425770, 675204120, 697710924, 775234360, 872138655, 1046566386, 1162851540, 1395421848, 1744277310, 2093132772, 2325703080, 2616415965, 3488554620, 4186265544, 5232831930, 6977109240, 10465663860, 20931327720]

約数ペア:

[(1, 20931327720), (2, 10465663860), (3, 6977109240), (4, 5232831930), (5, 4186265544), (6, 3488554620), (8, 2616415965), (9, 2325703080), (10, 2093132772), (12, 1744277310), (15, 1395421848), (18, 1162851540), (20, 1046566386), (24, 872138655), (27, 775234360), (30, 697710924), (31, 675204120), (36, 581425770), (37, 565711560), (40, 523283193), (45, 465140616), (54, 387617180), (60, 348855462), (61, 343136520), (62, 337602060), (72, 290712885), (74, 282855780), (90, 232570308), (93, 225068040), (108, 193808590), (111, 188570520), (120, 174427731), (122, 171568260), (124, 168801030), (135, 155046872), (148, 141427890), (155, 135040824), (180, 116285154), (183, 114378840), (185, 113142312), (186, 112534020), (216, 96904295), (222, 94285260), (244, 85784130), (248, 84400515), (270, 77523436), (277, 75564360), (279, 75022680), (296, 70713945), (305, 68627304), (310, 67520412), (333, 62856840), (360, 58142577), (366, 57189420), (370, 56571156), (372, 56267010), (444, 47142630), (465, 45013608), (488, 42892065), (540, 38761718), (549, 38126280), (554, 37782180), (555, 37714104), (558, 37511340), (610, 34313652), (620, 33760206), (666, 31428420), (732, 28594710), (740, 28285578), (744, 28133505), (831, 25188120), (837, 25007560), (888, 23571315), (915, 22875768), (930, 22506804), (999, 20952280), (1080, 19380859), (1098, 19063140), (1108, 18891090), (1110, 18857052), (1116, 18755670), (1147, 18248760), (1220, 17156826), (1240, 16880103), (1332, 15714210), (1385, 15112872), (1395, 15004536), (1464, 14297355), (1480, 14142789), (1647, 12708760), (1662, 12594060), (1665, 12571368), (1674, 12503780), (1830, 11437884), (1860, 11253402), (1891, 11068920), (1998, 10476140), (2196, 9531570), (2216, 9445545), (2220, 9428526), (2232, 9377835), (2257, 9273960), (2294, 9124380), (2440, 8578413), (2493, 8396040), (2664, 7857105), (2745, 7625256), (2770, 7556436), (2790, 7502268), (3294, 6354380), (3324, 6297030), (3330, 6285684), (3348, 6251890), (3441, 6082920), (3660, 5718942), (3720, 5626701), (3782, 5534460), (3996, 5238070), (4155, 5037624), (4185, 5001512), (4392, 4765785), (4440, 4714263), (4514, 4636980), (4588, 4562190), (4986, 4198020), (4995, 4190456), (5490, 3812628), (5540, 3778218), (5580, 3751134), (5673, 3689640), (5735, 3649752), (6588, 3177190), (6648, 3148515), (6660, 3142842), (6696, 3125945), (6771, 3091320), (6882, 3041460), (7320, 2859471), (7479, 2798680), (7564, 2767230), (7992, 2619035), (8235, 2541752), (8310, 2518812), (8370, 2500756), (8587, 2437560), (9028, 2318490), (9176, 2281095), (9455, 2213784), (9972, 2099010), (9990, 2095228), (10249, 2042280), (10323, 2027640), (10980, 1906314), (11080, 1889109), (11160, 1875567), (11285, 1854792), (11346, 1844820), (11470, 1824876), (12465, 1679208), (13176, 1588595), (13320, 1571421), (13542, 1545660), (13764, 1520730), (14958, 1399340), (15128, 1383615), (16470, 1270876), (16620, 1259406), (16740, 1250378), (16897, 1238760), (17019, 1229880), (17174, 1218780), (17205, 1216584), (18056, 1159245), (18910, 1106892), (19944, 1049505), (19980, 1047614), (20313, 1030440), (20498, 1021140), (20646, 1013820), (21960, 953157), (22570, 927396), (22692, 922410), (22940, 912438), (24930, 839604), (25761, 812520), (27084, 772830), (27528, 760365), (28365, 737928), (29916, 699670), (30747, 680760), (30969, 675880), (32940, 635438), (33240, 629703), (33480, 625189), (33794, 619380), (33855, 618264), (34038, 614940), (34348, 609390), (34410, 608292), (37395, 559736), (37820, 553446), (39960, 523807), (40626, 515220), (40996, 510570), (41292, 506910), (42935, 487512), (45140, 463698), (45384, 461205), (45880, 456219), (49860, 419802), (50691, 412920), (51057, 409960), (51245, 408456), (51522, 406260), (51615, 405528), (54168, 386415), (56730, 368964), (59832, 349835), (60939, 343480), (61494, 340380), (61938, 337940), (65880, 317719), (67588, 309690), (67710, 309132), (68076, 307470), (68696, 304695), (68820, 304146), (69967, 299160), (74790, 279868), (75640, 276723), (77283, 270840), (81252, 257610), (81992, 255285), (82584, 253455), (84485, 247752), (85095, 245976), (85870, 243756), (90280, 231849), (92241, 226920), (99720, 209901), (101382, 206460), (101565, 206088), (102114, 204980), (102490, 204228), (103044, 203130), (103230, 202764), (113460, 184482), (121878, 171740), (122988, 170190), (123876, 168970), (128805, 162504), (135176, 154845), (135420, 154566), (136152, 153735), (137640, 152073), (139934, 149580)]