61212680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 146016000

約数和(自身を除く): 84803320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 337, 380, 478, 674, 760, 956, 1195, 1348, 1685, 1912, 2390, 2696, 3370, 4541, 4780, 6403, 6740, 9082, 9560, 12806, 13480, 18164, 22705, 25612, 32015, 36328, 45410, 51224, 64030, 80543, 90820, 128060, 161086, 181640, 256120, 322172, 402715, 644344, 805430, 1530317, 1610860, 3060634, 3221720, 6121268, 7651585, 12242536, 15303170, 30606340, 61212680]

約数ペア:

[(1, 61212680), (2, 30606340), (4, 15303170), (5, 12242536), (8, 7651585), (10, 6121268), (19, 3221720), (20, 3060634), (38, 1610860), (40, 1530317), (76, 805430), (95, 644344), (152, 402715), (190, 322172), (239, 256120), (337, 181640), (380, 161086), (478, 128060), (674, 90820), (760, 80543), (956, 64030), (1195, 51224), (1348, 45410), (1685, 36328), (1912, 32015), (2390, 25612), (2696, 22705), (3370, 18164), (4541, 13480), (4780, 12806), (6403, 9560), (6740, 9082)]