27959960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1716

約数の個数: 64

約数和(自身を含む): 73120320

約数和(自身を除く): 45160360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1637, 1708, 2135, 2440, 3274, 3416, 4270, 6548, 8185, 8540, 11459, 13096, 16370, 17080, 22918, 32740, 45836, 57295, 65480, 91672, 99857, 114590, 199714, 229180, 399428, 458360, 499285, 698999, 798856, 998570, 1397998, 1997140, 2795996, 3494995, 3994280, 5591992, 6989990, 13979980, 27959960]

約数ペア:

[(1, 27959960), (2, 13979980), (4, 6989990), (5, 5591992), (7, 3994280), (8, 3494995), (10, 2795996), (14, 1997140), (20, 1397998), (28, 998570), (35, 798856), (40, 698999), (56, 499285), (61, 458360), (70, 399428), (122, 229180), (140, 199714), (244, 114590), (280, 99857), (305, 91672), (427, 65480), (488, 57295), (610, 45836), (854, 32740), (1220, 22918), (1637, 17080), (1708, 16370), (2135, 13096), (2440, 11459), (3274, 8540), (3416, 8185), (4270, 6548)]