811530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 2156544

約数和(自身を除く): 1345014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 127, 142, 213, 254, 355, 381, 426, 635, 639, 710, 762, 1065, 1143, 1270, 1278, 1905, 2130, 2286, 3195, 3810, 5715, 6390, 9017, 11430, 18034, 27051, 45085, 54102, 81153, 90170, 135255, 162306, 270510, 405765, 811530]

約数ペア:

[(1, 811530), (2, 405765), (3, 270510), (5, 162306), (6, 135255), (9, 90170), (10, 81153), (15, 54102), (18, 45085), (30, 27051), (45, 18034), (71, 11430), (90, 9017), (127, 6390), (142, 5715), (213, 3810), (254, 3195), (355, 2286), (381, 2130), (426, 1905), (635, 1278), (639, 1270), (710, 1143), (762, 1065)]