81309210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21341}}^1$

素因数の和:21478

約数の個数: 32

約数和(自身を含む): 196687872

約数和(自身を除く): 115378662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 21341, 42682, 64023, 106705, 128046, 213410, 320115, 640230, 2710307, 5420614, 8130921, 13551535, 16261842, 27103070, 40654605, 81309210]

約数ペア:

[(1, 81309210), (2, 40654605), (3, 27103070), (5, 16261842), (6, 13551535), (10, 8130921), (15, 5420614), (30, 2710307), (127, 640230), (254, 320115), (381, 213410), (635, 128046), (762, 106705), (1270, 64023), (1905, 42682), (3810, 21341)]