72808080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{303367}}^1$

素因数の和:303383

約数の個数: 40

約数和(自身を含む): 225705792

約数和(自身を除く): 152897712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 303367, 606734, 910101, 1213468, 1516835, 1820202, 2426936, 3033670, 3640404, 4550505, 4853872, 6067340, 7280808, 9101010, 12134680, 14561616, 18202020, 24269360, 36404040, 72808080]

約数ペア:

[(1, 72808080), (2, 36404040), (3, 24269360), (4, 18202020), (5, 14561616), (6, 12134680), (8, 9101010), (10, 7280808), (12, 6067340), (15, 4853872), (16, 4550505), (20, 3640404), (24, 3033670), (30, 2426936), (40, 1820202), (48, 1516835), (60, 1213468), (80, 910101), (120, 606734), (240, 303367)]