720297215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1471}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 979292160

約数和(自身を除く): 258994945

約数列:

[1, 5, 11, 29, 55, 145, 307, 319, 1471, 1535, 1595, 3377, 7355, 8903, 16181, 16885, 42659, 44515, 80905, 97933, 213295, 451597, 469249, 489665, 2257985, 2346245, 4967567, 13096313, 24837835, 65481565, 144059443, 720297215]

約数ペア:

[(1, 720297215), (5, 144059443), (11, 65481565), (29, 24837835), (55, 13096313), (145, 4967567), (307, 2346245), (319, 2257985), (1471, 489665), (1535, 469249), (1595, 451597), (3377, 213295), (7355, 97933), (8903, 80905), (16181, 44515), (16885, 42659)]