68291680

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3989}}^1$

素因数の和:4111

約数の個数: 48

約数和(自身を含む): 162887760

約数和(自身を除く): 94596080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 3989, 4280, 7978, 8560, 15956, 17120, 19945, 31912, 39890, 63824, 79780, 127648, 159560, 319120, 426823, 638240, 853646, 1707292, 2134115, 3414584, 4268230, 6829168, 8536460, 13658336, 17072920, 34145840, 68291680]

約数ペア:

[(1, 68291680), (2, 34145840), (4, 17072920), (5, 13658336), (8, 8536460), (10, 6829168), (16, 4268230), (20, 3414584), (32, 2134115), (40, 1707292), (80, 853646), (107, 638240), (160, 426823), (214, 319120), (428, 159560), (535, 127648), (856, 79780), (1070, 63824), (1712, 39890), (2140, 31912), (3424, 19945), (3989, 17120), (4280, 15956), (7978, 8560)]