211231920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{880133}}^1$

素因数の和:880149

約数の個数: 40

約数和(自身を含む): 654819696

約数和(自身を除く): 443587776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 880133, 1760266, 2640399, 3520532, 4400665, 5280798, 7041064, 8801330, 10561596, 13201995, 14082128, 17602660, 21123192, 26403990, 35205320, 42246384, 52807980, 70410640, 105615960, 211231920]

約数ペア:

[(1, 211231920), (2, 105615960), (3, 70410640), (4, 52807980), (5, 42246384), (6, 35205320), (8, 26403990), (10, 21123192), (12, 17602660), (15, 14082128), (16, 13201995), (20, 10561596), (24, 8801330), (30, 7041064), (40, 5280798), (48, 4400665), (60, 3520532), (80, 2640399), (120, 1760266), (240, 880133)]