68758480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 183916800

約数和(自身を除く): 115158320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 617, 796, 995, 1234, 1393, 1592, 1990, 2468, 2786, 3085, 3184, 3980, 4319, 4936, 5572, 6170, 6965, 7960, 8638, 9872, 11144, 12340, 13930, 15920, 17276, 21595, 22288, 24680, 27860, 34552, 43190, 49360, 55720, 69104, 86380, 111440, 122783, 172760, 245566, 345520, 491132, 613915, 859481, 982264, 1227830, 1718962, 1964528, 2455660, 3437924, 4297405, 4911320, 6875848, 8594810, 9822640, 13751696, 17189620, 34379240, 68758480]

約数ペア:

[(1, 68758480), (2, 34379240), (4, 17189620), (5, 13751696), (7, 9822640), (8, 8594810), (10, 6875848), (14, 4911320), (16, 4297405), (20, 3437924), (28, 2455660), (35, 1964528), (40, 1718962), (56, 1227830), (70, 982264), (80, 859481), (112, 613915), (140, 491132), (199, 345520), (280, 245566), (398, 172760), (560, 122783), (617, 111440), (796, 86380), (995, 69104), (1234, 55720), (1393, 49360), (1592, 43190), (1990, 34552), (2468, 27860), (2786, 24680), (3085, 22288), (3184, 21595), (3980, 17276), (4319, 15920), (4936, 13930), (5572, 12340), (6170, 11144), (6965, 9872), (7960, 8638)]