221692160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 566694912

約数和(自身を除く): 345002752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 151, 155, 160, 185, 248, 256, 296, 302, 310, 320, 370, 496, 592, 604, 620, 640, 740, 755, 992, 1147, 1184, 1208, 1240, 1280, 1480, 1510, 1984, 2294, 2368, 2416, 2480, 2960, 3020, 3968, 4588, 4681, 4736, 4832, 4960, 5587, 5735, 5920, 6040, 7936, 9176, 9362, 9472, 9664, 9920, 11174, 11470, 11840, 12080, 18352, 18724, 19328, 19840, 22348, 22940, 23405, 23680, 24160, 27935, 36704, 37448, 38656, 39680, 44696, 45880, 46810, 47360, 48320, 55870, 73408, 74896, 89392, 91760, 93620, 96640, 111740, 146816, 149792, 173197, 178784, 183520, 187240, 193280, 223480, 293632, 299584, 346394, 357568, 367040, 374480, 446960, 599168, 692788, 715136, 734080, 748960, 865985, 893920, 1198336, 1385576, 1430272, 1468160, 1497920, 1731970, 1787840, 2771152, 2995840, 3463940, 3575680, 5542304, 5991680, 6927880, 7151360, 11084608, 13855760, 22169216, 27711520, 44338432, 55423040, 110846080, 221692160]

約数ペア:

[(1, 221692160), (2, 110846080), (4, 55423040), (5, 44338432), (8, 27711520), (10, 22169216), (16, 13855760), (20, 11084608), (31, 7151360), (32, 6927880), (37, 5991680), (40, 5542304), (62, 3575680), (64, 3463940), (74, 2995840), (80, 2771152), (124, 1787840), (128, 1731970), (148, 1497920), (151, 1468160), (155, 1430272), (160, 1385576), (185, 1198336), (248, 893920), (256, 865985), (296, 748960), (302, 734080), (310, 715136), (320, 692788), (370, 599168), (496, 446960), (592, 374480), (604, 367040), (620, 357568), (640, 346394), (740, 299584), (755, 293632), (992, 223480), (1147, 193280), (1184, 187240), (1208, 183520), (1240, 178784), (1280, 173197), (1480, 149792), (1510, 146816), (1984, 111740), (2294, 96640), (2368, 93620), (2416, 91760), (2480, 89392), (2960, 74896), (3020, 73408), (3968, 55870), (4588, 48320), (4681, 47360), (4736, 46810), (4832, 45880), (4960, 44696), (5587, 39680), (5735, 38656), (5920, 37448), (6040, 36704), (7936, 27935), (9176, 24160), (9362, 23680), (9472, 23405), (9664, 22940), (9920, 22348), (11174, 19840), (11470, 19328), (11840, 18724), (12080, 18352)]