15721465240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{975277}}^1$

素因数の和:975332

約数の個数: 64

約数和(自身を含む): 39323208960

約数和(自身を除く): 23601743720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 975277, 1950554, 3901108, 4876385, 7802216, 9752770, 12678601, 19505540, 25357202, 30233587, 39011080, 50714404, 60467174, 63393005, 101428808, 120934348, 126786010, 151167935, 241868696, 253572020, 302335870, 393036631, 507144040, 604671740, 786073262, 1209343480, 1572146524, 1965183155, 3144293048, 3930366310, 7860732620, 15721465240]

約数ペア:

[(1, 15721465240), (2, 7860732620), (4, 3930366310), (5, 3144293048), (8, 1965183155), (10, 1572146524), (13, 1209343480), (20, 786073262), (26, 604671740), (31, 507144040), (40, 393036631), (52, 302335870), (62, 253572020), (65, 241868696), (104, 151167935), (124, 126786010), (130, 120934348), (155, 101428808), (248, 63393005), (260, 60467174), (310, 50714404), (403, 39011080), (520, 30233587), (620, 25357202), (806, 19505540), (1240, 12678601), (1612, 9752770), (2015, 7802216), (3224, 4876385), (4030, 3901108), (8060, 1950554), (16120, 975277)]