72931740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173647}}^1$

素因数の和:173666

約数の個数: 48

約数和(自身を含む): 233382912

約数和(自身を除く): 160451172

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, 173647, 347294, 520941, 694588, 868235, 1041882, 1215529, 1736470, 2083764, 2431058, 2604705, 3472940, 3646587, 4862116, 5209410, 6077645, 7293174, 10418820, 12155290, 14586348, 18232935, 24310580, 36465870, 72931740]

約数ペア:

[(1, 72931740), (2, 36465870), (3, 24310580), (4, 18232935), (5, 14586348), (6, 12155290), (7, 10418820), (10, 7293174), (12, 6077645), (14, 5209410), (15, 4862116), (20, 3646587), (21, 3472940), (28, 2604705), (30, 2431058), (35, 2083764), (42, 1736470), (60, 1215529), (70, 1041882), (84, 868235), (105, 694588), (140, 520941), (210, 347294), (420, 173647)]