128667770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 291347712

約数和(自身を除く): 162679942

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1331, 1381, 1694, 2662, 2762, 4235, 6655, 6905, 8470, 9317, 9667, 13310, 13810, 15191, 18634, 19334, 30382, 46585, 48335, 75955, 93170, 96670, 106337, 151910, 167101, 212674, 334202, 531685, 835505, 1063370, 1169707, 1671010, 1838111, 2339414, 3676222, 5848535, 9190555, 11697070, 12866777, 18381110, 25733554, 64333885, 128667770]

約数ペア:

[(1, 128667770), (2, 64333885), (5, 25733554), (7, 18381110), (10, 12866777), (11, 11697070), (14, 9190555), (22, 5848535), (35, 3676222), (55, 2339414), (70, 1838111), (77, 1671010), (110, 1169707), (121, 1063370), (154, 835505), (242, 531685), (385, 334202), (605, 212674), (770, 167101), (847, 151910), (1210, 106337), (1331, 96670), (1381, 93170), (1694, 75955), (2662, 48335), (2762, 46585), (4235, 30382), (6655, 19334), (6905, 18634), (8470, 15191), (9317, 13810), (9667, 13310)]