51231480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3259}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 154915200

約数和(自身を除く): 103683720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3259, 3930, 5240, 6518, 7860, 9777, 13036, 15720, 16295, 19554, 26072, 32590, 39108, 48885, 65180, 78216, 97770, 130360, 195540, 391080, 426929, 853858, 1280787, 1707716, 2134645, 2561574, 3415432, 4269290, 5123148, 6403935, 8538580, 10246296, 12807870, 17077160, 25615740, 51231480]

約数ペア:

[(1, 51231480), (2, 25615740), (3, 17077160), (4, 12807870), (5, 10246296), (6, 8538580), (8, 6403935), (10, 5123148), (12, 4269290), (15, 3415432), (20, 2561574), (24, 2134645), (30, 1707716), (40, 1280787), (60, 853858), (120, 426929), (131, 391080), (262, 195540), (393, 130360), (524, 97770), (655, 78216), (786, 65180), (1048, 48885), (1310, 39108), (1572, 32590), (1965, 26072), (2620, 19554), (3144, 16295), (3259, 15720), (3930, 13036), (5240, 9777), (6518, 7860)]