28523760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 89104416

約数和(自身を除く): 60580656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 757, 785, 942, 1256, 1514, 1570, 1884, 2271, 2355, 2512, 3028, 3140, 3768, 3785, 4542, 4710, 6056, 6280, 7536, 7570, 9084, 9420, 11355, 12112, 12560, 15140, 18168, 18840, 22710, 30280, 36336, 37680, 45420, 60560, 90840, 118849, 181680, 237698, 356547, 475396, 594245, 713094, 950792, 1188490, 1426188, 1782735, 1901584, 2376980, 2852376, 3565470, 4753960, 5704752, 7130940, 9507920, 14261880, 28523760]

約数ペア:

[(1, 28523760), (2, 14261880), (3, 9507920), (4, 7130940), (5, 5704752), (6, 4753960), (8, 3565470), (10, 2852376), (12, 2376980), (15, 1901584), (16, 1782735), (20, 1426188), (24, 1188490), (30, 950792), (40, 713094), (48, 594245), (60, 475396), (80, 356547), (120, 237698), (157, 181680), (240, 118849), (314, 90840), (471, 60560), (628, 45420), (757, 37680), (785, 36336), (942, 30280), (1256, 22710), (1514, 18840), (1570, 18168), (1884, 15140), (2271, 12560), (2355, 12112), (2512, 11355), (3028, 9420), (3140, 9084), (3768, 7570), (3785, 7536), (4542, 6280), (4710, 6056)]