64481620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2029}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 155514240

約数和(自身を除く): 91032620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2029, 2270, 3178, 4058, 4540, 6356, 7945, 8116, 10145, 14203, 15890, 20290, 28406, 31780, 40580, 56812, 71015, 142030, 284060, 460583, 921166, 1842332, 2302915, 3224081, 4605830, 6448162, 9211660, 12896324, 16120405, 32240810, 64481620]

約数ペア:

[(1, 64481620), (2, 32240810), (4, 16120405), (5, 12896324), (7, 9211660), (10, 6448162), (14, 4605830), (20, 3224081), (28, 2302915), (35, 1842332), (70, 921166), (140, 460583), (227, 284060), (454, 142030), (908, 71015), (1135, 56812), (1589, 40580), (2029, 31780), (2270, 28406), (3178, 20290), (4058, 15890), (4540, 14203), (6356, 10145), (7945, 8116)]