64725180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82981}}^1$

素因数の和:83006

約数の個数: 48

約数和(自身を含む): 195173664

約数和(自身を除く): 130448484

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, 82981, 165962, 248943, 331924, 414905, 497886, 829810, 995772, 1078753, 1244715, 1659620, 2157506, 2489430, 3236259, 4315012, 4978860, 5393765, 6472518, 10787530, 12945036, 16181295, 21575060, 32362590, 64725180]

約数ペア:

[(1, 64725180), (2, 32362590), (3, 21575060), (4, 16181295), (5, 12945036), (6, 10787530), (10, 6472518), (12, 5393765), (13, 4978860), (15, 4315012), (20, 3236259), (26, 2489430), (30, 2157506), (39, 1659620), (52, 1244715), (60, 1078753), (65, 995772), (78, 829810), (130, 497886), (156, 414905), (195, 331924), (260, 248943), (390, 165962), (780, 82981)]