720392315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{677}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 952888320

約数和(自身を除く): 232496005

約数列:

[1, 5, 19, 23, 95, 115, 437, 487, 677, 2185, 2435, 3385, 9253, 11201, 12863, 15571, 46265, 56005, 64315, 77855, 212819, 295849, 329699, 1064095, 1479245, 1648495, 6264281, 7583077, 31321405, 37915385, 144078463, 720392315]

約数ペア:

[(1, 720392315), (5, 144078463), (19, 37915385), (23, 31321405), (95, 7583077), (115, 6264281), (437, 1648495), (487, 1479245), (677, 1064095), (2185, 329699), (2435, 295849), (3385, 212819), (9253, 77855), (11201, 64315), (12863, 56005), (15571, 46265)]