81880710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21491}}^1$

素因数の和:21628

約数の個数: 32

約数和(自身を含む): 198070272

約数和(自身を除く): 116189562

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 21491, 42982, 64473, 107455, 128946, 214910, 322365, 644730, 2729357, 5458714, 8188071, 13646785, 16376142, 27293570, 40940355, 81880710]

約数ペア:

[(1, 81880710), (2, 40940355), (3, 27293570), (5, 16376142), (6, 13646785), (10, 8188071), (15, 5458714), (30, 2729357), (127, 644730), (254, 322365), (381, 214910), (635, 128946), (762, 107455), (1270, 64473), (1905, 42982), (3810, 21491)]