1639442220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2101849}}^1$

素因数の和:2101874

約数の個数: 48

約数和(自身を含む): 4943551200

約数和(自身を除く): 3304108980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2101849, 4203698, 6305547, 8407396, 10509245, 12611094, 21018490, 25222188, 27324037, 31527735, 42036980, 54648074, 63055470, 81972111, 109296148, 126110940, 136620185, 163944222, 273240370, 327888444, 409860555, 546480740, 819721110, 1639442220]

約数ペア:

[(1, 1639442220), (2, 819721110), (3, 546480740), (4, 409860555), (5, 327888444), (6, 273240370), (10, 163944222), (12, 136620185), (13, 126110940), (15, 109296148), (20, 81972111), (26, 63055470), (30, 54648074), (39, 42036980), (52, 31527735), (60, 27324037), (65, 25222188), (78, 21018490), (130, 12611094), (156, 10509245), (195, 8407396), (260, 6305547), (390, 4203698), (780, 2101849)]