645086520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 288

約数和(自身を含む): 2374051680

約数和(自身を除く): 1728965160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 169, 180, 184, 195, 207, 230, 234, 260, 276, 299, 312, 338, 345, 360, 390, 414, 460, 461, 468, 507, 520, 552, 585, 598, 676, 690, 780, 828, 845, 897, 920, 922, 936, 1014, 1035, 1170, 1196, 1352, 1380, 1383, 1495, 1521, 1560, 1656, 1690, 1794, 1844, 2028, 2070, 2305, 2340, 2392, 2535, 2691, 2760, 2766, 2990, 3042, 3380, 3588, 3688, 3887, 4056, 4140, 4149, 4485, 4610, 4680, 5070, 5382, 5532, 5980, 5993, 6084, 6760, 6915, 7176, 7605, 7774, 8280, 8298, 8970, 9220, 10140, 10603, 10764, 11064, 11661, 11960, 11986, 12168, 13455, 13830, 15210, 15548, 16596, 17940, 17979, 18440, 19435, 20280, 20745, 21206, 21528, 23322, 23972, 26910, 27660, 29965, 30420, 31096, 31809, 33192, 34983, 35880, 35958, 38870, 41490, 42412, 46644, 47944, 53015, 53820, 53937, 55320, 58305, 59930, 60840, 63618, 69966, 71916, 77740, 77909, 82980, 84824, 89895, 93288, 95427, 106030, 107640, 107874, 116610, 119860, 127236, 137839, 139932, 143832, 155480, 155818, 159045, 165960, 174915, 179790, 190854, 212060, 215748, 233220, 233727, 239720, 254472, 269685, 275678, 279864, 311636, 318090, 349830, 359580, 381708, 389545, 413517, 424120, 431496, 466440, 467454, 477135, 539370, 551356, 623272, 636180, 689195, 699660, 701181, 719160, 763416, 779090, 827034, 934908, 954270, 1078740, 1102712, 1168635, 1240551, 1272360, 1378390, 1399320, 1402362, 1558180, 1654068, 1791907, 1869816, 1908540, 2067585, 2157480, 2337270, 2481102, 2756780, 2804724, 3116360, 3308136, 3505905, 3583814, 3817080, 4135170, 4674540, 4962204, 5375721, 5513560, 5609448, 6202755, 7011810, 7167628, 8270340, 8959535, 9349080, 9924408, 10751442, 12405510, 14023620, 14335256, 16127163, 16540680, 17919070, 21502884, 24811020, 26878605, 28047240, 32254326, 35838140, 43005768, 49622040, 53757210, 64508652, 71676280, 80635815, 107514420, 129017304, 161271630, 215028840, 322543260, 645086520]

約数ペア:

[(1, 645086520), (2, 322543260), (3, 215028840), (4, 161271630), (5, 129017304), (6, 107514420), (8, 80635815), (9, 71676280), (10, 64508652), (12, 53757210), (13, 49622040), (15, 43005768), (18, 35838140), (20, 32254326), (23, 28047240), (24, 26878605), (26, 24811020), (30, 21502884), (36, 17919070), (39, 16540680), (40, 16127163), (45, 14335256), (46, 14023620), (52, 12405510), (60, 10751442), (65, 9924408), (69, 9349080), (72, 8959535), (78, 8270340), (90, 7167628), (92, 7011810), (104, 6202755), (115, 5609448), (117, 5513560), (120, 5375721), (130, 4962204), (138, 4674540), (156, 4135170), (169, 3817080), (180, 3583814), (184, 3505905), (195, 3308136), (207, 3116360), (230, 2804724), (234, 2756780), (260, 2481102), (276, 2337270), (299, 2157480), (312, 2067585), (338, 1908540), (345, 1869816), (360, 1791907), (390, 1654068), (414, 1558180), (460, 1402362), (461, 1399320), (468, 1378390), (507, 1272360), (520, 1240551), (552, 1168635), (585, 1102712), (598, 1078740), (676, 954270), (690, 934908), (780, 827034), (828, 779090), (845, 763416), (897, 719160), (920, 701181), (922, 699660), (936, 689195), (1014, 636180), (1035, 623272), (1170, 551356), (1196, 539370), (1352, 477135), (1380, 467454), (1383, 466440), (1495, 431496), (1521, 424120), (1560, 413517), (1656, 389545), (1690, 381708), (1794, 359580), (1844, 349830), (2028, 318090), (2070, 311636), (2305, 279864), (2340, 275678), (2392, 269685), (2535, 254472), (2691, 239720), (2760, 233727), (2766, 233220), (2990, 215748), (3042, 212060), (3380, 190854), (3588, 179790), (3688, 174915), (3887, 165960), (4056, 159045), (4140, 155818), (4149, 155480), (4485, 143832), (4610, 139932), (4680, 137839), (5070, 127236), (5382, 119860), (5532, 116610), (5980, 107874), (5993, 107640), (6084, 106030), (6760, 95427), (6915, 93288), (7176, 89895), (7605, 84824), (7774, 82980), (8280, 77909), (8298, 77740), (8970, 71916), (9220, 69966), (10140, 63618), (10603, 60840), (10764, 59930), (11064, 58305), (11661, 55320), (11960, 53937), (11986, 53820), (12168, 53015), (13455, 47944), (13830, 46644), (15210, 42412), (15548, 41490), (16596, 38870), (17940, 35958), (17979, 35880), (18440, 34983), (19435, 33192), (20280, 31809), (20745, 31096), (21206, 30420), (21528, 29965), (23322, 27660), (23972, 26910)]