6638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 20832000

約数和(自身を除く): 14193360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 199, 240, 278, 398, 417, 556, 597, 695, 796, 834, 995, 1112, 1194, 1390, 1592, 1668, 1990, 2085, 2224, 2388, 2780, 2985, 3184, 3336, 3980, 4170, 4776, 5560, 5970, 6672, 7960, 8340, 9552, 11120, 11940, 15920, 16680, 23880, 27661, 33360, 47760, 55322, 82983, 110644, 138305, 165966, 221288, 276610, 331932, 414915, 442576, 553220, 663864, 829830, 1106440, 1327728, 1659660, 2212880, 3319320, 6638640]

約数ペア:

[(1, 6638640), (2, 3319320), (3, 2212880), (4, 1659660), (5, 1327728), (6, 1106440), (8, 829830), (10, 663864), (12, 553220), (15, 442576), (16, 414915), (20, 331932), (24, 276610), (30, 221288), (40, 165966), (48, 138305), (60, 110644), (80, 82983), (120, 55322), (139, 47760), (199, 33360), (240, 27661), (278, 23880), (398, 16680), (417, 15920), (556, 11940), (597, 11120), (695, 9552), (796, 8340), (834, 7960), (995, 6672), (1112, 5970), (1194, 5560), (1390, 4776), (1592, 4170), (1668, 3980), (1990, 3336), (2085, 3184), (2224, 2985), (2388, 2780)]