16671660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 30368340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1999, 2085, 2780, 3998, 4170, 5997, 7996, 8340, 9995, 11994, 19990, 23988, 29985, 39980, 59970, 119940, 277861, 555722, 833583, 1111444, 1389305, 1667166, 2778610, 3334332, 4167915, 5557220, 8335830, 16671660]

約数ペア:

[(1, 16671660), (2, 8335830), (3, 5557220), (4, 4167915), (5, 3334332), (6, 2778610), (10, 1667166), (12, 1389305), (15, 1111444), (20, 833583), (30, 555722), (60, 277861), (139, 119940), (278, 59970), (417, 39980), (556, 29985), (695, 23988), (834, 19990), (1390, 11994), (1668, 9995), (1999, 8340), (2085, 7996), (2780, 5997), (3998, 4170)]