231505280

素因数分解:

$2^7\times 5^1\times {\mathrm{361727}}^1$

素因数の和:361746

約数の個数: 32

約数和(自身を含む): 553443840

約数和(自身を除く): 321938560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 361727, 723454, 1446908, 1808635, 2893816, 3617270, 5787632, 7234540, 11575264, 14469080, 23150528, 28938160, 46301056, 57876320, 115752640, 231505280]

約数ペア:

[(1, 231505280), (2, 115752640), (4, 57876320), (5, 46301056), (8, 28938160), (10, 23150528), (16, 14469080), (20, 11575264), (32, 7234540), (40, 5787632), (64, 3617270), (80, 2893816), (128, 1808635), (160, 1446908), (320, 723454), (640, 361727)]