161056740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206483}}^1$

素因数の和:206508

約数の個数: 48

約数和(自身を含む): 485650368

約数和(自身を除く): 324593628

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, 206483, 412966, 619449, 825932, 1032415, 1238898, 2064830, 2477796, 2684279, 3097245, 4129660, 5368558, 6194490, 8052837, 10737116, 12388980, 13421395, 16105674, 26842790, 32211348, 40264185, 53685580, 80528370, 161056740]

約数ペア:

[(1, 161056740), (2, 80528370), (3, 53685580), (4, 40264185), (5, 32211348), (6, 26842790), (10, 16105674), (12, 13421395), (13, 12388980), (15, 10737116), (20, 8052837), (26, 6194490), (30, 5368558), (39, 4129660), (52, 3097245), (60, 2684279), (65, 2477796), (78, 2064830), (130, 1238898), (156, 1032415), (195, 825932), (260, 619449), (390, 412966), (780, 206483)]