664831740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{8677}}^1$

素因数の和:9966

約数の個数: 48

約数和(自身を含む): 1863201312

約数和(自身を除く): 1198369572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1277, 2554, 3831, 5108, 6385, 7662, 8677, 12770, 15324, 17354, 19155, 25540, 26031, 34708, 38310, 43385, 52062, 76620, 86770, 104124, 130155, 173540, 260310, 520620, 11080529, 22161058, 33241587, 44322116, 55402645, 66483174, 110805290, 132966348, 166207935, 221610580, 332415870, 664831740]

約数ペア:

[(1, 664831740), (2, 332415870), (3, 221610580), (4, 166207935), (5, 132966348), (6, 110805290), (10, 66483174), (12, 55402645), (15, 44322116), (20, 33241587), (30, 22161058), (60, 11080529), (1277, 520620), (2554, 260310), (3831, 173540), (5108, 130155), (6385, 104124), (7662, 86770), (8677, 76620), (12770, 52062), (15324, 43385), (17354, 38310), (19155, 34708), (25540, 26031)]