56981665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 84268800

約数和(自身を除く): 27287135

約数列:

[1, 5, 13, 19, 29, 37, 43, 65, 95, 145, 185, 215, 247, 377, 481, 551, 559, 703, 817, 1073, 1235, 1247, 1591, 1885, 2405, 2755, 2795, 3515, 4085, 5365, 6235, 7163, 7955, 9139, 10621, 13949, 16211, 20387, 20683, 23693, 30229, 35815, 45695, 46139, 53105, 69745, 81055, 101935, 103415, 118465, 151145, 230695, 265031, 308009, 392977, 599807, 876641, 1325155, 1540045, 1964885, 2999035, 4383205, 11396333, 56981665]

約数ペア:

[(1, 56981665), (5, 11396333), (13, 4383205), (19, 2999035), (29, 1964885), (37, 1540045), (43, 1325155), (65, 876641), (95, 599807), (145, 392977), (185, 308009), (215, 265031), (247, 230695), (377, 151145), (481, 118465), (551, 103415), (559, 101935), (703, 81055), (817, 69745), (1073, 53105), (1235, 46139), (1247, 45695), (1591, 35815), (1885, 30229), (2405, 23693), (2755, 20683), (2795, 20387), (3515, 16211), (4085, 13949), (5365, 10621), (6235, 9139), (7163, 7955)]