68439540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87743}}^1$

素因数の和:87768

約数の個数: 48

約数和(自身を含む): 206373888

約数和(自身を除く): 137934348

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, 87743, 175486, 263229, 350972, 438715, 526458, 877430, 1052916, 1140659, 1316145, 1754860, 2281318, 2632290, 3421977, 4562636, 5264580, 5703295, 6843954, 11406590, 13687908, 17109885, 22813180, 34219770, 68439540]

約数ペア:

[(1, 68439540), (2, 34219770), (3, 22813180), (4, 17109885), (5, 13687908), (6, 11406590), (10, 6843954), (12, 5703295), (13, 5264580), (15, 4562636), (20, 3421977), (26, 2632290), (30, 2281318), (39, 1754860), (52, 1316145), (60, 1140659), (65, 1052916), (78, 877430), (130, 526458), (156, 438715), (195, 350972), (260, 263229), (390, 175486), (780, 87743)]