31302570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80263}}^1$

素因数の和:80286

約数の個数: 32

約数和(自身を含む): 80906112

約数和(自身を除く): 49603542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80263, 160526, 240789, 401315, 481578, 802630, 1043419, 1203945, 2086838, 2407890, 3130257, 5217095, 6260514, 10434190, 15651285, 31302570]

約数ペア:

[(1, 31302570), (2, 15651285), (3, 10434190), (5, 6260514), (6, 5217095), (10, 3130257), (13, 2407890), (15, 2086838), (26, 1203945), (30, 1043419), (39, 802630), (65, 481578), (78, 401315), (130, 240789), (195, 160526), (390, 80263)]