30131790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77261}}^1$

素因数の和:77284

約数の個数: 32

約数和(自身を含む): 77880096

約数和(自身を除く): 47748306

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 77261, 154522, 231783, 386305, 463566, 772610, 1004393, 1158915, 2008786, 2317830, 3013179, 5021965, 6026358, 10043930, 15065895, 30131790]

約数ペア:

[(1, 30131790), (2, 15065895), (3, 10043930), (5, 6026358), (6, 5021965), (10, 3013179), (13, 2317830), (15, 2008786), (26, 1158915), (30, 1004393), (39, 772610), (65, 463566), (78, 386305), (130, 231783), (195, 154522), (390, 77261)]