12435080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 32400000

約数和(自身を除く): 19964920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 499, 623, 712, 890, 998, 1246, 1780, 1996, 2492, 2495, 3115, 3493, 3560, 3992, 4984, 4990, 6230, 6986, 9980, 12460, 13972, 17465, 19960, 24920, 27944, 34930, 44411, 69860, 88822, 139720, 177644, 222055, 310877, 355288, 444110, 621754, 888220, 1243508, 1554385, 1776440, 2487016, 3108770, 6217540, 12435080]

約数ペア:

[(1, 12435080), (2, 6217540), (4, 3108770), (5, 2487016), (7, 1776440), (8, 1554385), (10, 1243508), (14, 888220), (20, 621754), (28, 444110), (35, 355288), (40, 310877), (56, 222055), (70, 177644), (89, 139720), (140, 88822), (178, 69860), (280, 44411), (356, 34930), (445, 27944), (499, 24920), (623, 19960), (712, 17465), (890, 13972), (998, 12460), (1246, 9980), (1780, 6986), (1996, 6230), (2492, 4990), (2495, 4984), (3115, 3992), (3493, 3560)]