1665390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 4093056

約数和(自身を除く): 2427666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1291, 2582, 3873, 6455, 7746, 12910, 19365, 38730, 55513, 111026, 166539, 277565, 333078, 555130, 832695, 1665390]

約数ペア:

[(1, 1665390), (2, 832695), (3, 555130), (5, 333078), (6, 277565), (10, 166539), (15, 111026), (30, 55513), (43, 38730), (86, 19365), (129, 12910), (215, 7746), (258, 6455), (430, 3873), (645, 2582), (1290, 1291)]