180413240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2293}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 465773760

約数和(自身を除く): 285360520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2293, 2810, 3934, 4586, 5620, 7868, 9172, 9835, 11240, 11465, 15736, 16051, 18344, 19670, 22930, 32102, 39340, 45860, 64204, 78680, 80255, 91720, 128408, 160510, 321020, 642040, 644333, 1288666, 2577332, 3221665, 4510331, 5154664, 6443330, 9020662, 12886660, 18041324, 22551655, 25773320, 36082648, 45103310, 90206620, 180413240]

約数ペア:

[(1, 180413240), (2, 90206620), (4, 45103310), (5, 36082648), (7, 25773320), (8, 22551655), (10, 18041324), (14, 12886660), (20, 9020662), (28, 6443330), (35, 5154664), (40, 4510331), (56, 3221665), (70, 2577332), (140, 1288666), (280, 644333), (281, 642040), (562, 321020), (1124, 160510), (1405, 128408), (1967, 91720), (2248, 80255), (2293, 78680), (2810, 64204), (3934, 45860), (4586, 39340), (5620, 32102), (7868, 22930), (9172, 19670), (9835, 18344), (11240, 16051), (11465, 15736)]