87266060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12721}}^1$

素因数の和:12751

約数の個数: 48

約数和(自身を含む): 213729600

約数和(自身を除く): 126463540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12721, 25442, 50884, 63605, 89047, 127210, 178094, 254420, 356188, 445235, 623329, 890470, 1246658, 1780940, 2493316, 3116645, 4363303, 6233290, 8726606, 12466580, 17453212, 21816515, 43633030, 87266060]

約数ペア:

[(1, 87266060), (2, 43633030), (4, 21816515), (5, 17453212), (7, 12466580), (10, 8726606), (14, 6233290), (20, 4363303), (28, 3116645), (35, 2493316), (49, 1780940), (70, 1246658), (98, 890470), (140, 623329), (196, 445235), (245, 356188), (343, 254420), (490, 178094), (686, 127210), (980, 89047), (1372, 63605), (1715, 50884), (3430, 25442), (6860, 12721)]