1280953719940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{121532611}}^1$

素因数の和:121532668

約数の個数: 48

約数和(自身を含む): 2940116949504

約数和(自身を除く): 1659163229564

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 121532611, 243065222, 486130444, 607663055, 1215326110, 2066054387, 2430652220, 3767510941, 4132108774, 7535021882, 8264217548, 10330271935, 15070043764, 18837554705, 20660543870, 37675109410, 41321087740, 64047685997, 75350218820, 128095371994, 256190743988, 320238429985, 640476859970, 1280953719940]

約数ペア:

[(1, 1280953719940), (2, 640476859970), (4, 320238429985), (5, 256190743988), (10, 128095371994), (17, 75350218820), (20, 64047685997), (31, 41321087740), (34, 37675109410), (62, 20660543870), (68, 18837554705), (85, 15070043764), (124, 10330271935), (155, 8264217548), (170, 7535021882), (310, 4132108774), (340, 3767510941), (527, 2430652220), (620, 2066054387), (1054, 1215326110), (2108, 607663055), (2635, 486130444), (5270, 243065222), (10540, 121532611)]