66556920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{554641}}^1$

素因数の和:554655

約数の個数: 32

約数和(自身を含む): 199671120

約数和(自身を除く): 133114200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 554641, 1109282, 1663923, 2218564, 2773205, 3327846, 4437128, 5546410, 6655692, 8319615, 11092820, 13311384, 16639230, 22185640, 33278460, 66556920]

約数ペア:

[(1, 66556920), (2, 33278460), (3, 22185640), (4, 16639230), (5, 13311384), (6, 11092820), (8, 8319615), (10, 6655692), (12, 5546410), (15, 4437128), (20, 3327846), (24, 2773205), (30, 2218564), (40, 1663923), (60, 1109282), (120, 554641)]