72565360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129581}}^1$

素因数の和:129601

約数の個数: 40

約数和(自身を含む): 192818016

約数和(自身を除く): 120252656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129581, 259162, 518324, 647905, 907067, 1036648, 1295810, 1814134, 2073296, 2591620, 3628268, 4535335, 5183240, 7256536, 9070670, 10366480, 14513072, 18141340, 36282680, 72565360]

約数ペア:

[(1, 72565360), (2, 36282680), (4, 18141340), (5, 14513072), (7, 10366480), (8, 9070670), (10, 7256536), (14, 5183240), (16, 4535335), (20, 3628268), (28, 2591620), (35, 2073296), (40, 1814134), (56, 1295810), (70, 1036648), (80, 907067), (112, 647905), (140, 518324), (280, 259162), (560, 129581)]