72486760

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6449}}^1$

素因数の和:6741

約数の個数: 32

約数和(自身を含む): 163701000

約数和(自身を除く): 91214240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6449, 11240, 12898, 25796, 32245, 51592, 64490, 128980, 257960, 1812169, 3624338, 7248676, 9060845, 14497352, 18121690, 36243380, 72486760]

約数ペア:

[(1, 72486760), (2, 36243380), (4, 18121690), (5, 14497352), (8, 9060845), (10, 7248676), (20, 3624338), (40, 1812169), (281, 257960), (562, 128980), (1124, 64490), (1405, 51592), (2248, 32245), (2810, 25796), (5620, 12898), (6449, 11240)]