2720055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 5006880

約数和(自身を除く): 2286825

約数列:

[1, 3, 5, 13, 15, 29, 37, 39, 65, 87, 111, 145, 169, 185, 195, 377, 435, 481, 507, 555, 845, 1073, 1131, 1443, 1885, 2405, 2535, 3219, 4901, 5365, 5655, 6253, 7215, 13949, 14703, 16095, 18759, 24505, 31265, 41847, 69745, 73515, 93795, 181337, 209235, 544011, 906685, 2720055]

約数ペア:

[(1, 2720055), (3, 906685), (5, 544011), (13, 209235), (15, 181337), (29, 93795), (37, 73515), (39, 69745), (65, 41847), (87, 31265), (111, 24505), (145, 18759), (169, 16095), (185, 14703), (195, 13949), (377, 7215), (435, 6253), (481, 5655), (507, 5365), (555, 4901), (845, 3219), (1073, 2535), (1131, 2405), (1443, 1885)]