12991920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{54133}}^1$

素因数の和:54149

約数の個数: 40

約数和(自身を含む): 40275696

約数和(自身を除く): 27283776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 54133, 108266, 162399, 216532, 270665, 324798, 433064, 541330, 649596, 811995, 866128, 1082660, 1299192, 1623990, 2165320, 2598384, 3247980, 4330640, 6495960, 12991920]

約数ペア:

[(1, 12991920), (2, 6495960), (3, 4330640), (4, 3247980), (5, 2598384), (6, 2165320), (8, 1623990), (10, 1299192), (12, 1082660), (15, 866128), (16, 811995), (20, 649596), (24, 541330), (30, 433064), (40, 324798), (48, 270665), (60, 216532), (80, 162399), (120, 108266), (240, 54133)]