28168380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156491}}^1$

素因数の和:156506

約数の個数: 36

約数和(自身を含む): 85444632

約数和(自身を除く): 57276252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156491, 312982, 469473, 625964, 782455, 938946, 1408419, 1564910, 1877892, 2347365, 2816838, 3129820, 4694730, 5633676, 7042095, 9389460, 14084190, 28168380]

約数ペア:

[(1, 28168380), (2, 14084190), (3, 9389460), (4, 7042095), (5, 5633676), (6, 4694730), (9, 3129820), (10, 2816838), (12, 2347365), (15, 1877892), (18, 1564910), (20, 1408419), (30, 938946), (36, 782455), (45, 625964), (60, 469473), (90, 312982), (180, 156491)]