211921020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1531}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 644083440

約数和(自身を除く): 432162420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 769, 1531, 1538, 2307, 3062, 3076, 3845, 4593, 4614, 6124, 6921, 7655, 7690, 9186, 9228, 11535, 13779, 13842, 15310, 15380, 18372, 22965, 23070, 27558, 27684, 30620, 34605, 45930, 46140, 55116, 68895, 69210, 91860, 137790, 138420, 275580, 1177339, 2354678, 3532017, 4709356, 5886695, 7064034, 10596051, 11773390, 14128068, 17660085, 21192102, 23546780, 35320170, 42384204, 52980255, 70640340, 105960510, 211921020]

約数ペア:

[(1, 211921020), (2, 105960510), (3, 70640340), (4, 52980255), (5, 42384204), (6, 35320170), (9, 23546780), (10, 21192102), (12, 17660085), (15, 14128068), (18, 11773390), (20, 10596051), (30, 7064034), (36, 5886695), (45, 4709356), (60, 3532017), (90, 2354678), (180, 1177339), (769, 275580), (1531, 138420), (1538, 137790), (2307, 91860), (3062, 69210), (3076, 68895), (3845, 55116), (4593, 46140), (4614, 45930), (6124, 34605), (6921, 30620), (7655, 27684), (7690, 27558), (9186, 23070), (9228, 22965), (11535, 18372), (13779, 15380), (13842, 15310)]