15936340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 22770860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1279, 1780, 2492, 2558, 3115, 5116, 6230, 6395, 8953, 12460, 12790, 17906, 25580, 35812, 44765, 89530, 113831, 179060, 227662, 455324, 569155, 796817, 1138310, 1593634, 2276620, 3187268, 3984085, 7968170, 15936340]

約数ペア:

[(1, 15936340), (2, 7968170), (4, 3984085), (5, 3187268), (7, 2276620), (10, 1593634), (14, 1138310), (20, 796817), (28, 569155), (35, 455324), (70, 227662), (89, 179060), (140, 113831), (178, 89530), (356, 44765), (445, 35812), (623, 25580), (890, 17906), (1246, 12790), (1279, 12460), (1780, 8953), (2492, 6395), (2558, 6230), (3115, 5116)]