206613840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{860891}}^1$

素因数の和:860907

約数の個数: 40

約数和(自身を含む): 640503648

約数和(自身を除く): 433889808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 860891, 1721782, 2582673, 3443564, 4304455, 5165346, 6887128, 8608910, 10330692, 12913365, 13774256, 17217820, 20661384, 25826730, 34435640, 41322768, 51653460, 68871280, 103306920, 206613840]

約数ペア:

[(1, 206613840), (2, 103306920), (3, 68871280), (4, 51653460), (5, 41322768), (6, 34435640), (8, 25826730), (10, 20661384), (12, 17217820), (15, 13774256), (16, 12913365), (20, 10330692), (24, 8608910), (30, 6887128), (40, 5165346), (48, 4304455), (60, 3443564), (80, 2582673), (120, 1721782), (240, 860891)]