31503810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80779}}^1$

素因数の和:80802

約数の個数: 32

約数和(自身を含む): 81426240

約数和(自身を除く): 49922430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80779, 161558, 242337, 403895, 484674, 807790, 1050127, 1211685, 2100254, 2423370, 3150381, 5250635, 6300762, 10501270, 15751905, 31503810]

約数ペア:

[(1, 31503810), (2, 15751905), (3, 10501270), (5, 6300762), (6, 5250635), (10, 3150381), (13, 2423370), (15, 2100254), (26, 1211685), (30, 1050127), (39, 807790), (65, 484674), (78, 403895), (130, 242337), (195, 161558), (390, 80779)]