61405680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{36551}}^1$

素因数の和:36574

約数の個数: 80

約数和(自身を含む): 217557504

約数和(自身を除く): 156151824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 36551, 73102, 109653, 146204, 182755, 219306, 255857, 292408, 365510, 438612, 511714, 548265, 584816, 731020, 767571, 877224, 1023428, 1096530, 1279285, 1462040, 1535142, 1754448, 2046856, 2193060, 2558570, 2924080, 3070284, 3837855, 4093712, 4386120, 5117140, 6140568, 7675710, 8772240, 10234280, 12281136, 15351420, 20468560, 30702840, 61405680]

約数ペア:

[(1, 61405680), (2, 30702840), (3, 20468560), (4, 15351420), (5, 12281136), (6, 10234280), (7, 8772240), (8, 7675710), (10, 6140568), (12, 5117140), (14, 4386120), (15, 4093712), (16, 3837855), (20, 3070284), (21, 2924080), (24, 2558570), (28, 2193060), (30, 2046856), (35, 1754448), (40, 1535142), (42, 1462040), (48, 1279285), (56, 1096530), (60, 1023428), (70, 877224), (80, 767571), (84, 731020), (105, 584816), (112, 548265), (120, 511714), (140, 438612), (168, 365510), (210, 292408), (240, 255857), (280, 219306), (336, 182755), (420, 146204), (560, 109653), (840, 73102), (1680, 36551)]