12702760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6481}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 33252660

約数和(自身を除く): 20549900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6481, 12962, 25924, 32405, 45367, 51848, 64810, 90734, 129620, 181468, 226835, 259240, 317569, 362936, 453670, 635138, 907340, 1270276, 1587845, 1814680, 2540552, 3175690, 6351380, 12702760]

約数ペア:

[(1, 12702760), (2, 6351380), (4, 3175690), (5, 2540552), (7, 1814680), (8, 1587845), (10, 1270276), (14, 907340), (20, 635138), (28, 453670), (35, 362936), (40, 317569), (49, 259240), (56, 226835), (70, 181468), (98, 129620), (140, 90734), (196, 64810), (245, 51848), (280, 45367), (392, 32405), (490, 25924), (980, 12962), (1960, 6481)]