25755660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20441}}^1$

素因数の和:20463

約数の個数: 72

約数和(自身を含む): 89290656

約数和(自身を除く): 63534996

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, 20441, 40882, 61323, 81764, 102205, 122646, 143087, 183969, 204410, 245292, 286174, 306615, 367938, 408820, 429261, 572348, 613230, 715435, 735876, 858522, 919845, 1226460, 1287783, 1430870, 1717044, 1839690, 2146305, 2575566, 2861740, 3679380, 4292610, 5151132, 6438915, 8585220, 12877830, 25755660]

約数ペア:

[(1, 25755660), (2, 12877830), (3, 8585220), (4, 6438915), (5, 5151132), (6, 4292610), (7, 3679380), (9, 2861740), (10, 2575566), (12, 2146305), (14, 1839690), (15, 1717044), (18, 1430870), (20, 1287783), (21, 1226460), (28, 919845), (30, 858522), (35, 735876), (36, 715435), (42, 613230), (45, 572348), (60, 429261), (63, 408820), (70, 367938), (84, 306615), (90, 286174), (105, 245292), (126, 204410), (140, 183969), (180, 143087), (210, 122646), (252, 102205), (315, 81764), (420, 61323), (630, 40882), (1260, 20441)]