7280497640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{264169}}^1$

素因数の和:264246

約数の個数: 64

約数和(自身を含む): 17974126800

約数和(自身を除く): 10693629160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 27560, 264169, 528338, 1056676, 1320845, 2113352, 2641690, 3434197, 5283380, 6868394, 10566760, 13736788, 14000957, 17170985, 27473576, 28001914, 34341970, 56003828, 68683940, 70004785, 112007656, 137367880, 140009570, 182012441, 280019140, 364024882, 560038280, 728049764, 910062205, 1456099528, 1820124410, 3640248820, 7280497640]

約数ペア:

[(1, 7280497640), (2, 3640248820), (4, 1820124410), (5, 1456099528), (8, 910062205), (10, 728049764), (13, 560038280), (20, 364024882), (26, 280019140), (40, 182012441), (52, 140009570), (53, 137367880), (65, 112007656), (104, 70004785), (106, 68683940), (130, 56003828), (212, 34341970), (260, 28001914), (265, 27473576), (424, 17170985), (520, 14000957), (530, 13736788), (689, 10566760), (1060, 6868394), (1378, 5283380), (2120, 3434197), (2756, 2641690), (3445, 2113352), (5512, 1320845), (6890, 1056676), (13780, 528338), (27560, 264169)]