320788188

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{47147}}^1$

素因数の和:47173

約数の個数: 72

約数和(自身を含む): 961064832

約数和(自身を除く): 640276644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 47147, 94294, 141441, 188588, 282882, 330029, 424323, 565764, 660058, 848646, 990087, 1272969, 1320116, 1697292, 1980174, 2545938, 2970261, 3818907, 3960348, 5091876, 5940522, 7637814, 8910783, 11456721, 11881044, 15275628, 17821566, 22913442, 26732349, 35643132, 45826884, 53464698, 80197047, 106929396, 160394094, 320788188]

約数ペア:

[(1, 320788188), (2, 160394094), (3, 106929396), (4, 80197047), (6, 53464698), (7, 45826884), (9, 35643132), (12, 26732349), (14, 22913442), (18, 17821566), (21, 15275628), (27, 11881044), (28, 11456721), (36, 8910783), (42, 7637814), (54, 5940522), (63, 5091876), (81, 3960348), (84, 3818907), (108, 2970261), (126, 2545938), (162, 1980174), (189, 1697292), (243, 1320116), (252, 1272969), (324, 990087), (378, 848646), (486, 660058), (567, 565764), (756, 424323), (972, 330029), (1134, 282882), (1701, 188588), (2268, 141441), (3402, 94294), (6804, 47147)]