31888740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40883}}^1$

素因数の和:40908

約数の個数: 48

約数和(自身を含む): 96159168

約数和(自身を除く): 64270428

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, 40883, 81766, 122649, 163532, 204415, 245298, 408830, 490596, 531479, 613245, 817660, 1062958, 1226490, 1594437, 2125916, 2452980, 2657395, 3188874, 5314790, 6377748, 7972185, 10629580, 15944370, 31888740]

約数ペア:

[(1, 31888740), (2, 15944370), (3, 10629580), (4, 7972185), (5, 6377748), (6, 5314790), (10, 3188874), (12, 2657395), (13, 2452980), (15, 2125916), (20, 1594437), (26, 1226490), (30, 1062958), (39, 817660), (52, 613245), (60, 531479), (65, 490596), (78, 408830), (130, 245298), (156, 204415), (195, 163532), (260, 122649), (390, 81766), (780, 40883)]