121398660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2687}}^1$

素因数の和:2953

約数の個数: 72

約数和(自身を含む): 369847296

約数和(自身を除く): 248448636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 2687, 3012, 3765, 4518, 5020, 5374, 7530, 8061, 9036, 10748, 11295, 13435, 15060, 16122, 22590, 24183, 26870, 32244, 40305, 45180, 48366, 53740, 80610, 96732, 120915, 161220, 241830, 483660, 674437, 1348874, 2023311, 2697748, 3372185, 4046622, 6069933, 6744370, 8093244, 10116555, 12139866, 13488740, 20233110, 24279732, 30349665, 40466220, 60699330, 121398660]

約数ペア:

[(1, 121398660), (2, 60699330), (3, 40466220), (4, 30349665), (5, 24279732), (6, 20233110), (9, 13488740), (10, 12139866), (12, 10116555), (15, 8093244), (18, 6744370), (20, 6069933), (30, 4046622), (36, 3372185), (45, 2697748), (60, 2023311), (90, 1348874), (180, 674437), (251, 483660), (502, 241830), (753, 161220), (1004, 120915), (1255, 96732), (1506, 80610), (2259, 53740), (2510, 48366), (2687, 45180), (3012, 40305), (3765, 32244), (4518, 26870), (5020, 24183), (5374, 22590), (7530, 16122), (8061, 15060), (9036, 13435), (10748, 11295)]