71767980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398711}}^1$

素因数の和:398726

約数の個数: 36

約数和(自身を含む): 217696752

約数和(自身を除く): 145928772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398711, 797422, 1196133, 1594844, 1993555, 2392266, 3588399, 3987110, 4784532, 5980665, 7176798, 7974220, 11961330, 14353596, 17941995, 23922660, 35883990, 71767980]

約数ペア:

[(1, 71767980), (2, 35883990), (3, 23922660), (4, 17941995), (5, 14353596), (6, 11961330), (9, 7974220), (10, 7176798), (12, 5980665), (15, 4784532), (18, 3987110), (20, 3588399), (30, 2392266), (36, 1993555), (45, 1594844), (60, 1196133), (90, 797422), (180, 398711)]