80915640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51869}}^1$

素因数の和:51896

約数の個数: 64

約数和(自身を含む): 261424800

約数和(自身を除く): 180509160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51869, 103738, 155607, 207476, 259345, 311214, 414952, 518690, 622428, 674297, 778035, 1037380, 1244856, 1348594, 1556070, 2022891, 2074760, 2697188, 3112140, 3371485, 4045782, 5394376, 6224280, 6742970, 8091564, 10114455, 13485940, 16183128, 20228910, 26971880, 40457820, 80915640]

約数ペア:

[(1, 80915640), (2, 40457820), (3, 26971880), (4, 20228910), (5, 16183128), (6, 13485940), (8, 10114455), (10, 8091564), (12, 6742970), (13, 6224280), (15, 5394376), (20, 4045782), (24, 3371485), (26, 3112140), (30, 2697188), (39, 2074760), (40, 2022891), (52, 1556070), (60, 1348594), (65, 1244856), (78, 1037380), (104, 778035), (120, 674297), (130, 622428), (156, 518690), (195, 414952), (260, 311214), (312, 259345), (390, 207476), (520, 155607), (780, 103738), (1560, 51869)]