68197740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87433}}^1$

素因数の和:87458

約数の個数: 48

約数和(自身を含む): 205644768

約数和(自身を除く): 137447028

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, 87433, 174866, 262299, 349732, 437165, 524598, 874330, 1049196, 1136629, 1311495, 1748660, 2273258, 2622990, 3409887, 4546516, 5245980, 5683145, 6819774, 11366290, 13639548, 17049435, 22732580, 34098870, 68197740]

約数ペア:

[(1, 68197740), (2, 34098870), (3, 22732580), (4, 17049435), (5, 13639548), (6, 11366290), (10, 6819774), (12, 5683145), (13, 5245980), (15, 4546516), (20, 3409887), (26, 2622990), (30, 2273258), (39, 1748660), (52, 1311495), (60, 1136629), (65, 1049196), (78, 874330), (130, 524598), (156, 437165), (195, 349732), (260, 262299), (390, 174866), (780, 87433)]