68521740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163147}}^1$

素因数の和:163166

約数の個数: 48

約数和(自身を含む): 219270912

約数和(自身を除く): 150749172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163147, 326294, 489441, 652588, 815735, 978882, 1142029, 1631470, 1957764, 2284058, 2447205, 3262940, 3426087, 4568116, 4894410, 5710145, 6852174, 9788820, 11420290, 13704348, 17130435, 22840580, 34260870, 68521740]

約数ペア:

[(1, 68521740), (2, 34260870), (3, 22840580), (4, 17130435), (5, 13704348), (6, 11420290), (7, 9788820), (10, 6852174), (12, 5710145), (14, 4894410), (15, 4568116), (20, 3426087), (21, 3262940), (28, 2447205), (30, 2284058), (35, 1957764), (42, 1631470), (60, 1142029), (70, 978882), (84, 815735), (105, 652588), (140, 489441), (210, 326294), (420, 163147)]