81042180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350703}}^1$

素因数の和:1350715

約数の個数: 24

約数和(自身を含む): 226918272

約数和(自身を除く): 145876092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350703, 2701406, 4052109, 5402812, 6753515, 8104218, 13507030, 16208436, 20260545, 27014060, 40521090, 81042180]

約数ペア:

[(1, 81042180), (2, 40521090), (3, 27014060), (4, 20260545), (5, 16208436), (6, 13507030), (10, 8104218), (12, 6753515), (15, 5402812), (20, 4052109), (30, 2701406), (60, 1350703)]