78215460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1303591}}^1$

素因数の和:1303603

約数の個数: 24

約数和(自身を含む): 219003456

約数和(自身を除く): 140787996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1303591, 2607182, 3910773, 5214364, 6517955, 7821546, 13035910, 15643092, 19553865, 26071820, 39107730, 78215460]

約数ペア:

[(1, 78215460), (2, 39107730), (3, 26071820), (4, 19553865), (5, 15643092), (6, 13035910), (10, 7821546), (12, 6517955), (15, 5214364), (20, 3910773), (30, 2607182), (60, 1303591)]