15672842840

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{320377}}^1$

素因数の和:321611

約数の個数: 32

約数和(自身を含む): 35292840480

約数和(自身を除く): 19619997640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 4892, 6115, 9784, 12230, 24460, 48920, 320377, 640754, 1281508, 1601885, 2563016, 3203770, 6407540, 12815080, 391821071, 783642142, 1567284284, 1959105355, 3134568568, 3918210710, 7836421420, 15672842840]

約数ペア:

[(1, 15672842840), (2, 7836421420), (4, 3918210710), (5, 3134568568), (8, 1959105355), (10, 1567284284), (20, 783642142), (40, 391821071), (1223, 12815080), (2446, 6407540), (4892, 3203770), (6115, 2563016), (9784, 1601885), (12230, 1281508), (24460, 640754), (48920, 320377)]