12904260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 23383740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 479, 898, 958, 1347, 1437, 1796, 1916, 2245, 2395, 2694, 2874, 4490, 4790, 5388, 5748, 6735, 7185, 8980, 9580, 13470, 14370, 26940, 28740, 215071, 430142, 645213, 860284, 1075355, 1290426, 2150710, 2580852, 3226065, 4301420, 6452130, 12904260]

約数ペア:

[(1, 12904260), (2, 6452130), (3, 4301420), (4, 3226065), (5, 2580852), (6, 2150710), (10, 1290426), (12, 1075355), (15, 860284), (20, 645213), (30, 430142), (60, 215071), (449, 28740), (479, 26940), (898, 14370), (958, 13470), (1347, 9580), (1437, 8980), (1796, 7185), (1916, 6735), (2245, 5748), (2395, 5388), (2694, 4790), (2874, 4490)]