76555480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 180195840

約数和(自身を除く): 103640360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 947, 1720, 1880, 1894, 2021, 3788, 4042, 4735, 7576, 8084, 9470, 10105, 16168, 18940, 20210, 37880, 40420, 40721, 44509, 80840, 81442, 89018, 162884, 178036, 203605, 222545, 325768, 356072, 407210, 445090, 814420, 890180, 1628840, 1780360, 1913887, 3827774, 7655548, 9569435, 15311096, 19138870, 38277740, 76555480]

約数ペア:

[(1, 76555480), (2, 38277740), (4, 19138870), (5, 15311096), (8, 9569435), (10, 7655548), (20, 3827774), (40, 1913887), (43, 1780360), (47, 1628840), (86, 890180), (94, 814420), (172, 445090), (188, 407210), (215, 356072), (235, 325768), (344, 222545), (376, 203605), (430, 178036), (470, 162884), (860, 89018), (940, 81442), (947, 80840), (1720, 44509), (1880, 40721), (1894, 40420), (2021, 37880), (3788, 20210), (4042, 18940), (4735, 16168), (7576, 10105), (8084, 9470)]