1940007680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 5402242944

約数和(自身を除く): 3462235264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 37, 40, 46, 52, 64, 65, 74, 80, 92, 104, 115, 128, 130, 137, 148, 160, 184, 185, 208, 230, 256, 260, 274, 296, 299, 320, 368, 370, 416, 460, 481, 520, 548, 592, 598, 640, 685, 736, 740, 832, 851, 920, 962, 1040, 1096, 1184, 1196, 1280, 1370, 1472, 1480, 1495, 1664, 1702, 1781, 1840, 1924, 2080, 2192, 2368, 2392, 2405, 2740, 2944, 2960, 2990, 3151, 3328, 3404, 3562, 3680, 3848, 4160, 4255, 4384, 4736, 4784, 4810, 5069, 5480, 5888, 5920, 5980, 6302, 6808, 7124, 7360, 7696, 8320, 8510, 8768, 8905, 9472, 9568, 9620, 10138, 10960, 11063, 11840, 11960, 12604, 13616, 14248, 14720, 15392, 15755, 16640, 17020, 17536, 17810, 19136, 19240, 20276, 21920, 22126, 23680, 23920, 25208, 25345, 27232, 28496, 29440, 30784, 31510, 34040, 35072, 35620, 38272, 38480, 40552, 40963, 43840, 44252, 47360, 47840, 50416, 50690, 54464, 55315, 56992, 61568, 63020, 65897, 68080, 71240, 76544, 76960, 81104, 81926, 87680, 88504, 95680, 100832, 101380, 108928, 110630, 113984, 116587, 123136, 126040, 131794, 136160, 142480, 153920, 162208, 163852, 175360, 177008, 191360, 201664, 202760, 204815, 217856, 221260, 227968, 233174, 252080, 263588, 272320, 284960, 307840, 324416, 327704, 329485, 354016, 382720, 403328, 405520, 409630, 442520, 455936, 466348, 504160, 527176, 544640, 569920, 582935, 615680, 648832, 655408, 658970, 708032, 806656, 811040, 819260, 885040, 932696, 1008320, 1054352, 1089280, 1139840, 1165870, 1297664, 1310816, 1317940, 1416064, 1515631, 1622080, 1638520, 1770080, 1865392, 2016640, 2108704, 2279680, 2331740, 2621632, 2635880, 2832128, 3031262, 3244160, 3277040, 3540160, 3730784, 4033280, 4217408, 4663480, 5243264, 5271760, 6062524, 6488320, 6554080, 7080320, 7461568, 7578155, 8434816, 9326960, 10486528, 10543520, 12125048, 13108160, 14160640, 14923136, 15156310, 16869632, 18653920, 21087040, 24250096, 26216320, 29846272, 30312620, 37307840, 42174080, 48500192, 52432640, 60625240, 74615680, 84348160, 97000384, 121250480, 149231360, 194000768, 242500960, 388001536, 485001920, 970003840, 1940007680]

約数ペア:

[(1, 1940007680), (2, 970003840), (4, 485001920), (5, 388001536), (8, 242500960), (10, 194000768), (13, 149231360), (16, 121250480), (20, 97000384), (23, 84348160), (26, 74615680), (32, 60625240), (37, 52432640), (40, 48500192), (46, 42174080), (52, 37307840), (64, 30312620), (65, 29846272), (74, 26216320), (80, 24250096), (92, 21087040), (104, 18653920), (115, 16869632), (128, 15156310), (130, 14923136), (137, 14160640), (148, 13108160), (160, 12125048), (184, 10543520), (185, 10486528), (208, 9326960), (230, 8434816), (256, 7578155), (260, 7461568), (274, 7080320), (296, 6554080), (299, 6488320), (320, 6062524), (368, 5271760), (370, 5243264), (416, 4663480), (460, 4217408), (481, 4033280), (520, 3730784), (548, 3540160), (592, 3277040), (598, 3244160), (640, 3031262), (685, 2832128), (736, 2635880), (740, 2621632), (832, 2331740), (851, 2279680), (920, 2108704), (962, 2016640), (1040, 1865392), (1096, 1770080), (1184, 1638520), (1196, 1622080), (1280, 1515631), (1370, 1416064), (1472, 1317940), (1480, 1310816), (1495, 1297664), (1664, 1165870), (1702, 1139840), (1781, 1089280), (1840, 1054352), (1924, 1008320), (2080, 932696), (2192, 885040), (2368, 819260), (2392, 811040), (2405, 806656), (2740, 708032), (2944, 658970), (2960, 655408), (2990, 648832), (3151, 615680), (3328, 582935), (3404, 569920), (3562, 544640), (3680, 527176), (3848, 504160), (4160, 466348), (4255, 455936), (4384, 442520), (4736, 409630), (4784, 405520), (4810, 403328), (5069, 382720), (5480, 354016), (5888, 329485), (5920, 327704), (5980, 324416), (6302, 307840), (6808, 284960), (7124, 272320), (7360, 263588), (7696, 252080), (8320, 233174), (8510, 227968), (8768, 221260), (8905, 217856), (9472, 204815), (9568, 202760), (9620, 201664), (10138, 191360), (10960, 177008), (11063, 175360), (11840, 163852), (11960, 162208), (12604, 153920), (13616, 142480), (14248, 136160), (14720, 131794), (15392, 126040), (15755, 123136), (16640, 116587), (17020, 113984), (17536, 110630), (17810, 108928), (19136, 101380), (19240, 100832), (20276, 95680), (21920, 88504), (22126, 87680), (23680, 81926), (23920, 81104), (25208, 76960), (25345, 76544), (27232, 71240), (28496, 68080), (29440, 65897), (30784, 63020), (31510, 61568), (34040, 56992), (35072, 55315), (35620, 54464), (38272, 50690), (38480, 50416), (40552, 47840), (40963, 47360), (43840, 44252)]