1581560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 3747600

約数和(自身を除く): 2166040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2081, 4162, 8324, 10405, 16648, 20810, 39539, 41620, 79078, 83240, 158156, 197695, 316312, 395390, 790780, 1581560]

約数ペア:

[(1, 1581560), (2, 790780), (4, 395390), (5, 316312), (8, 197695), (10, 158156), (19, 83240), (20, 79078), (38, 41620), (40, 39539), (76, 20810), (95, 16648), (152, 10405), (190, 8324), (380, 4162), (760, 2081)]