2154840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17957}}^1$

素因数の和:17971

約数の個数: 32

約数和(自身を含む): 6464880

約数和(自身を除く): 4310040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 17957, 35914, 53871, 71828, 89785, 107742, 143656, 179570, 215484, 269355, 359140, 430968, 538710, 718280, 1077420, 2154840]

約数ペア:

[(1, 2154840), (2, 1077420), (3, 718280), (4, 538710), (5, 430968), (6, 359140), (8, 269355), (10, 215484), (12, 179570), (15, 143656), (20, 107742), (24, 89785), (30, 71828), (40, 53871), (60, 35914), (120, 17957)]