64282540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1279}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 154828800

約数和(自身を除く): 90546260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1279, 1436, 1795, 2513, 2558, 3590, 5026, 5116, 6395, 7180, 8953, 10052, 12565, 12790, 17906, 25130, 25580, 35812, 44765, 50260, 89530, 179060, 459161, 918322, 1836644, 2295805, 3214127, 4591610, 6428254, 9183220, 12856508, 16070635, 32141270, 64282540]

約数ペア:

[(1, 64282540), (2, 32141270), (4, 16070635), (5, 12856508), (7, 9183220), (10, 6428254), (14, 4591610), (20, 3214127), (28, 2295805), (35, 1836644), (70, 918322), (140, 459161), (359, 179060), (718, 89530), (1279, 50260), (1436, 44765), (1795, 35812), (2513, 25580), (2558, 25130), (3590, 17906), (5026, 12790), (5116, 12565), (6395, 10052), (7180, 8953)]