80578836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 220881024

約数和(自身を除く): 140302188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 334, 468, 501, 668, 1002, 1031, 1503, 2004, 2062, 2171, 3006, 3093, 4124, 4342, 6012, 6186, 6513, 8684, 9279, 12372, 13026, 13403, 18558, 19539, 26052, 26806, 37116, 39078, 40209, 53612, 78156, 80418, 120627, 160836, 172177, 241254, 344354, 482508, 516531, 688708, 1033062, 1549593, 2066124, 2238301, 3099186, 4476602, 6198372, 6714903, 8953204, 13429806, 20144709, 26859612, 40289418, 80578836]

約数ペア:

[(1, 80578836), (2, 40289418), (3, 26859612), (4, 20144709), (6, 13429806), (9, 8953204), (12, 6714903), (13, 6198372), (18, 4476602), (26, 3099186), (36, 2238301), (39, 2066124), (52, 1549593), (78, 1033062), (117, 688708), (156, 516531), (167, 482508), (234, 344354), (334, 241254), (468, 172177), (501, 160836), (668, 120627), (1002, 80418), (1031, 78156), (1503, 53612), (2004, 40209), (2062, 39078), (2171, 37116), (3006, 26806), (3093, 26052), (4124, 19539), (4342, 18558), (6012, 13403), (6186, 13026), (6513, 12372), (8684, 9279)]