211819920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67891}}^1$

素因数の和:67920

約数の個数: 80

約数和(自身を含む): 707163072

約数和(自身を除く): 495343152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 67891, 135782, 203673, 271564, 339455, 407346, 543128, 678910, 814692, 882583, 1018365, 1086256, 1357820, 1629384, 1765166, 2036730, 2647749, 2715640, 3258768, 3530332, 4073460, 4412915, 5295498, 5431280, 7060664, 8146920, 8825830, 10590996, 13238745, 14121328, 16293840, 17651660, 21181992, 26477490, 35303320, 42363984, 52954980, 70606640, 105909960, 211819920]

約数ペア:

[(1, 211819920), (2, 105909960), (3, 70606640), (4, 52954980), (5, 42363984), (6, 35303320), (8, 26477490), (10, 21181992), (12, 17651660), (13, 16293840), (15, 14121328), (16, 13238745), (20, 10590996), (24, 8825830), (26, 8146920), (30, 7060664), (39, 5431280), (40, 5295498), (48, 4412915), (52, 4073460), (60, 3530332), (65, 3258768), (78, 2715640), (80, 2647749), (104, 2036730), (120, 1765166), (130, 1629384), (156, 1357820), (195, 1086256), (208, 1018365), (240, 882583), (260, 814692), (312, 678910), (390, 543128), (520, 407346), (624, 339455), (780, 271564), (1040, 203673), (1560, 135782), (3120, 67891)]