61647720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{513731}}^1$

素因数の和:513745

約数の個数: 32

約数和(自身を含む): 184943520

約数和(自身を除く): 123295800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 513731, 1027462, 1541193, 2054924, 2568655, 3082386, 4109848, 5137310, 6164772, 7705965, 10274620, 12329544, 15411930, 20549240, 30823860, 61647720]

約数ペア:

[(1, 61647720), (2, 30823860), (3, 20549240), (4, 15411930), (5, 12329544), (6, 10274620), (8, 7705965), (10, 6164772), (12, 5137310), (15, 4109848), (20, 3082386), (24, 2568655), (30, 2054924), (40, 1541193), (60, 1027462), (120, 513731)]