1231360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 80

約数和(自身を含む): 3265416

約数和(自身を除く): 2034056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 370, 416, 481, 512, 520, 592, 640, 740, 832, 962, 1040, 1184, 1280, 1480, 1664, 1924, 2080, 2368, 2405, 2560, 2960, 3328, 3848, 4160, 4736, 4810, 5920, 6656, 7696, 8320, 9472, 9620, 11840, 15392, 16640, 18944, 19240, 23680, 30784, 33280, 38480, 47360, 61568, 76960, 94720, 123136, 153920, 246272, 307840, 615680, 1231360]

約数ペア:

[(1, 1231360), (2, 615680), (4, 307840), (5, 246272), (8, 153920), (10, 123136), (13, 94720), (16, 76960), (20, 61568), (26, 47360), (32, 38480), (37, 33280), (40, 30784), (52, 23680), (64, 19240), (65, 18944), (74, 16640), (80, 15392), (104, 11840), (128, 9620), (130, 9472), (148, 8320), (160, 7696), (185, 6656), (208, 5920), (256, 4810), (260, 4736), (296, 4160), (320, 3848), (370, 3328), (416, 2960), (481, 2560), (512, 2405), (520, 2368), (592, 2080), (640, 1924), (740, 1664), (832, 1480), (962, 1280), (1040, 1184)]