1659660

素因数分解:

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

素因数の和:350

約数の個数: 48

約数和(自身を含む): 4704000

約数和(自身を除く): 3044340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 199, 278, 398, 417, 556, 597, 695, 796, 834, 995, 1194, 1390, 1668, 1990, 2085, 2388, 2780, 2985, 3980, 4170, 5970, 8340, 11940, 27661, 55322, 82983, 110644, 138305, 165966, 276610, 331932, 414915, 553220, 829830, 1659660]

約数ペア:

[(1, 1659660), (2, 829830), (3, 553220), (4, 414915), (5, 331932), (6, 276610), (10, 165966), (12, 138305), (15, 110644), (20, 82983), (30, 55322), (60, 27661), (139, 11940), (199, 8340), (278, 5970), (398, 4170), (417, 3980), (556, 2985), (597, 2780), (695, 2388), (796, 2085), (834, 1990), (995, 1668), (1194, 1390)]