666390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 1622880

約数和(自身を除く): 956490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 229, 291, 458, 485, 582, 687, 970, 1145, 1374, 1455, 2290, 2910, 3435, 6870, 22213, 44426, 66639, 111065, 133278, 222130, 333195, 666390]

約数ペア:

[(1, 666390), (2, 333195), (3, 222130), (5, 133278), (6, 111065), (10, 66639), (15, 44426), (30, 22213), (97, 6870), (194, 3435), (229, 2910), (291, 2290), (458, 1455), (485, 1374), (582, 1145), (687, 970)]