1307960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 3099600

約数和(自身を除く): 1791640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1721, 3442, 6884, 8605, 13768, 17210, 32699, 34420, 65398, 68840, 130796, 163495, 261592, 326990, 653980, 1307960]

約数ペア:

[(1, 1307960), (2, 653980), (4, 326990), (5, 261592), (8, 163495), (10, 130796), (19, 68840), (20, 65398), (38, 34420), (40, 32699), (76, 17210), (95, 13768), (152, 8605), (190, 6884), (380, 3442), (760, 1721)]