31691640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3343}}^1$

素因数の和:3436

約数の個数: 64

約数和(自身を含む): 96307200

約数和(自身を除く): 64615560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 3343, 4740, 6686, 9480, 10029, 13372, 16715, 20058, 26744, 33430, 40116, 50145, 66860, 80232, 100290, 133720, 200580, 264097, 401160, 528194, 792291, 1056388, 1320485, 1584582, 2112776, 2640970, 3169164, 3961455, 5281940, 6338328, 7922910, 10563880, 15845820, 31691640]

約数ペア:

[(1, 31691640), (2, 15845820), (3, 10563880), (4, 7922910), (5, 6338328), (6, 5281940), (8, 3961455), (10, 3169164), (12, 2640970), (15, 2112776), (20, 1584582), (24, 1320485), (30, 1056388), (40, 792291), (60, 528194), (79, 401160), (120, 264097), (158, 200580), (237, 133720), (316, 100290), (395, 80232), (474, 66860), (632, 50145), (790, 40116), (948, 33430), (1185, 26744), (1580, 20058), (1896, 16715), (2370, 13372), (3160, 10029), (3343, 9480), (4740, 6686)]