7855830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 20577024

約数和(自身を除く): 12721194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 457, 573, 914, 955, 1146, 1371, 1719, 1910, 2285, 2742, 2865, 3438, 4113, 4570, 5730, 6855, 8226, 8595, 13710, 17190, 20565, 41130, 87287, 174574, 261861, 436435, 523722, 785583, 872870, 1309305, 1571166, 2618610, 3927915, 7855830]

約数ペア:

[(1, 7855830), (2, 3927915), (3, 2618610), (5, 1571166), (6, 1309305), (9, 872870), (10, 785583), (15, 523722), (18, 436435), (30, 261861), (45, 174574), (90, 87287), (191, 41130), (382, 20565), (457, 17190), (573, 13710), (914, 8595), (955, 8226), (1146, 6855), (1371, 5730), (1719, 4570), (1910, 4113), (2285, 3438), (2742, 2865)]