27890220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6547}}^1$

素因数の和:6630

約数の個数: 48

約数和(自身を含む): 79204608

約数和(自身を除く): 51314388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 6547, 13094, 19641, 26188, 32735, 39282, 65470, 78564, 98205, 130940, 196410, 392820, 464837, 929674, 1394511, 1859348, 2324185, 2789022, 4648370, 5578044, 6972555, 9296740, 13945110, 27890220]

約数ペア:

[(1, 27890220), (2, 13945110), (3, 9296740), (4, 6972555), (5, 5578044), (6, 4648370), (10, 2789022), (12, 2324185), (15, 1859348), (20, 1394511), (30, 929674), (60, 464837), (71, 392820), (142, 196410), (213, 130940), (284, 98205), (355, 78564), (426, 65470), (710, 39282), (852, 32735), (1065, 26188), (1420, 19641), (2130, 13094), (4260, 6547)]