87436720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 233824320

約数和(自身を除く): 146387600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 280, 386, 560, 772, 809, 965, 1351, 1544, 1618, 1930, 2702, 3088, 3236, 3860, 4045, 5404, 5663, 6472, 6755, 7720, 8090, 10808, 11326, 12944, 13510, 15440, 16180, 21616, 22652, 27020, 28315, 32360, 45304, 54040, 56630, 64720, 90608, 108080, 113260, 156137, 226520, 312274, 453040, 624548, 780685, 1092959, 1249096, 1561370, 2185918, 2498192, 3122740, 4371836, 5464795, 6245480, 8743672, 10929590, 12490960, 17487344, 21859180, 43718360, 87436720]

約数ペア:

[(1, 87436720), (2, 43718360), (4, 21859180), (5, 17487344), (7, 12490960), (8, 10929590), (10, 8743672), (14, 6245480), (16, 5464795), (20, 4371836), (28, 3122740), (35, 2498192), (40, 2185918), (56, 1561370), (70, 1249096), (80, 1092959), (112, 780685), (140, 624548), (193, 453040), (280, 312274), (386, 226520), (560, 156137), (772, 113260), (809, 108080), (965, 90608), (1351, 64720), (1544, 56630), (1618, 54040), (1930, 45304), (2702, 32360), (3088, 28315), (3236, 27020), (3860, 22652), (4045, 21616), (5404, 16180), (5663, 15440), (6472, 13510), (6755, 12944), (7720, 11326), (8090, 10808)]