30155240

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1091}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 68009760

約数和(自身を除く): 37854520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1091, 1382, 2182, 2764, 3455, 4364, 5455, 5528, 6910, 8728, 10910, 13820, 21820, 27640, 43640, 753881, 1507762, 3015524, 3769405, 6031048, 7538810, 15077620, 30155240]

約数ペア:

[(1, 30155240), (2, 15077620), (4, 7538810), (5, 6031048), (8, 3769405), (10, 3015524), (20, 1507762), (40, 753881), (691, 43640), (1091, 27640), (1382, 21820), (2182, 13820), (2764, 10910), (3455, 8728), (4364, 6910), (5455, 5528)]