66556680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{554639}}^1$

素因数の和:554653

約数の個数: 32

約数和(自身を含む): 199670400

約数和(自身を除く): 133113720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 554639, 1109278, 1663917, 2218556, 2773195, 3327834, 4437112, 5546390, 6655668, 8319585, 11092780, 13311336, 16639170, 22185560, 33278340, 66556680]

約数ペア:

[(1, 66556680), (2, 33278340), (3, 22185560), (4, 16639170), (5, 13311336), (6, 11092780), (8, 8319585), (10, 6655668), (12, 5546390), (15, 4437112), (20, 3327834), (24, 2773195), (30, 2218556), (40, 1663917), (60, 1109278), (120, 554639)]