51293340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40709}}^1$

素因数の和:40731

約数の個数: 72

約数和(自身を含む): 177821280

約数和(自身を除く): 126527940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40709, 81418, 122127, 162836, 203545, 244254, 284963, 366381, 407090, 488508, 569926, 610635, 732762, 814180, 854889, 1139852, 1221270, 1424815, 1465524, 1709778, 1831905, 2442540, 2564667, 2849630, 3419556, 3663810, 4274445, 5129334, 5699260, 7327620, 8548890, 10258668, 12823335, 17097780, 25646670, 51293340]

約数ペア:

[(1, 51293340), (2, 25646670), (3, 17097780), (4, 12823335), (5, 10258668), (6, 8548890), (7, 7327620), (9, 5699260), (10, 5129334), (12, 4274445), (14, 3663810), (15, 3419556), (18, 2849630), (20, 2564667), (21, 2442540), (28, 1831905), (30, 1709778), (35, 1465524), (36, 1424815), (42, 1221270), (45, 1139852), (60, 854889), (63, 814180), (70, 732762), (84, 610635), (90, 569926), (105, 488508), (126, 407090), (140, 366381), (180, 284963), (210, 244254), (252, 203545), (315, 162836), (420, 122127), (630, 81418), (1260, 40709)]