131807820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 379753920

約数和(自身を除く): 247946100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 181, 212, 229, 265, 318, 362, 458, 530, 543, 636, 687, 724, 795, 905, 916, 1060, 1086, 1145, 1374, 1590, 1810, 2172, 2290, 2715, 2748, 3180, 3435, 3620, 4580, 5430, 6870, 9593, 10860, 12137, 13740, 19186, 24274, 28779, 36411, 38372, 41449, 47965, 48548, 57558, 60685, 72822, 82898, 95930, 115116, 121370, 124347, 143895, 145644, 165796, 182055, 191860, 207245, 242740, 248694, 287790, 364110, 414490, 497388, 575580, 621735, 728220, 828980, 1243470, 2196797, 2486940, 4393594, 6590391, 8787188, 10983985, 13180782, 21967970, 26361564, 32951955, 43935940, 65903910, 131807820]

約数ペア:

[(1, 131807820), (2, 65903910), (3, 43935940), (4, 32951955), (5, 26361564), (6, 21967970), (10, 13180782), (12, 10983985), (15, 8787188), (20, 6590391), (30, 4393594), (53, 2486940), (60, 2196797), (106, 1243470), (159, 828980), (181, 728220), (212, 621735), (229, 575580), (265, 497388), (318, 414490), (362, 364110), (458, 287790), (530, 248694), (543, 242740), (636, 207245), (687, 191860), (724, 182055), (795, 165796), (905, 145644), (916, 143895), (1060, 124347), (1086, 121370), (1145, 115116), (1374, 95930), (1590, 82898), (1810, 72822), (2172, 60685), (2290, 57558), (2715, 48548), (2748, 47965), (3180, 41449), (3435, 38372), (3620, 36411), (4580, 28779), (5430, 24274), (6870, 19186), (9593, 13740), (10860, 12137)]