1987620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 5627328

約数和(自身を除く): 3639708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 211, 314, 422, 471, 628, 633, 785, 844, 942, 1055, 1266, 1570, 1884, 2110, 2355, 2532, 3140, 3165, 4220, 4710, 6330, 9420, 12660, 33127, 66254, 99381, 132508, 165635, 198762, 331270, 397524, 496905, 662540, 993810, 1987620]

約数ペア:

[(1, 1987620), (2, 993810), (3, 662540), (4, 496905), (5, 397524), (6, 331270), (10, 198762), (12, 165635), (15, 132508), (20, 99381), (30, 66254), (60, 33127), (157, 12660), (211, 9420), (314, 6330), (422, 4710), (471, 4220), (628, 3165), (633, 3140), (785, 2532), (844, 2355), (942, 2110), (1055, 1884), (1266, 1570)]