1620580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 3838464

約数和(自身を除く): 2217884

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 271, 299, 460, 542, 598, 1084, 1196, 1355, 1495, 2710, 2990, 3523, 5420, 5980, 6233, 7046, 12466, 14092, 17615, 24932, 31165, 35230, 62330, 70460, 81029, 124660, 162058, 324116, 405145, 810290, 1620580]

約数ペア:

[(1, 1620580), (2, 810290), (4, 405145), (5, 324116), (10, 162058), (13, 124660), (20, 81029), (23, 70460), (26, 62330), (46, 35230), (52, 31165), (65, 24932), (92, 17615), (115, 14092), (130, 12466), (230, 7046), (260, 6233), (271, 5980), (299, 5420), (460, 3523), (542, 2990), (598, 2710), (1084, 1495), (1196, 1355)]