415781680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^2\times {\mathrm{1031}}^1$

素因数の和:1186

約数の個数: 60

約数和(自身を含む): 981450576

約数和(自身を除く): 565668896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1031, 1136, 1420, 2062, 2840, 4124, 5041, 5155, 5680, 8248, 10082, 10310, 16496, 20164, 20620, 25205, 40328, 41240, 50410, 73201, 80656, 82480, 100820, 146402, 201640, 292804, 366005, 403280, 585608, 732010, 1171216, 1464020, 2928040, 5197271, 5856080, 10394542, 20789084, 25986355, 41578168, 51972710, 83156336, 103945420, 207890840, 415781680]

約数ペア:

[(1, 415781680), (2, 207890840), (4, 103945420), (5, 83156336), (8, 51972710), (10, 41578168), (16, 25986355), (20, 20789084), (40, 10394542), (71, 5856080), (80, 5197271), (142, 2928040), (284, 1464020), (355, 1171216), (568, 732010), (710, 585608), (1031, 403280), (1136, 366005), (1420, 292804), (2062, 201640), (2840, 146402), (4124, 100820), (5041, 82480), (5155, 80656), (5680, 73201), (8248, 50410), (10082, 41240), (10310, 40328), (16496, 25205), (20164, 20620)]