123393420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{685519}}^1$

素因数の和:685534

約数の個数: 36

約数和(自身を含む): 374293920

約数和(自身を除く): 250900500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 685519, 1371038, 2056557, 2742076, 3427595, 4113114, 6169671, 6855190, 8226228, 10282785, 12339342, 13710380, 20565570, 24678684, 30848355, 41131140, 61696710, 123393420]

約数ペア:

[(1, 123393420), (2, 61696710), (3, 41131140), (4, 30848355), (5, 24678684), (6, 20565570), (9, 13710380), (10, 12339342), (12, 10282785), (15, 8226228), (18, 6855190), (20, 6169671), (30, 4113114), (36, 3427595), (45, 2742076), (60, 2056557), (90, 1371038), (180, 685519)]