168313640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6271}}^1$

素因数の和:6354

約数の個数: 64

約数和(自身を含む): 419973120

約数和(自身を除く): 251659480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6271, 6710, 12542, 13420, 25084, 26840, 31355, 50168, 62710, 68981, 125420, 137962, 250840, 275924, 344905, 382531, 551848, 689810, 765062, 1379620, 1530124, 1912655, 2759240, 3060248, 3825310, 4207841, 7650620, 8415682, 15301240, 16831364, 21039205, 33662728, 42078410, 84156820, 168313640]

約数ペア:

[(1, 168313640), (2, 84156820), (4, 42078410), (5, 33662728), (8, 21039205), (10, 16831364), (11, 15301240), (20, 8415682), (22, 7650620), (40, 4207841), (44, 3825310), (55, 3060248), (61, 2759240), (88, 1912655), (110, 1530124), (122, 1379620), (220, 765062), (244, 689810), (305, 551848), (440, 382531), (488, 344905), (610, 275924), (671, 250840), (1220, 137962), (1342, 125420), (2440, 68981), (2684, 62710), (3355, 50168), (5368, 31355), (6271, 26840), (6710, 25084), (12542, 13420)]