72666520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1327}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 168164640

約数和(自身を除く): 95498120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1327, 1369, 1480, 2654, 2738, 5308, 5476, 6635, 6845, 10616, 10952, 13270, 13690, 26540, 27380, 49099, 53080, 54760, 98198, 196396, 245495, 392792, 490990, 981980, 1816663, 1963960, 3633326, 7266652, 9083315, 14533304, 18166630, 36333260, 72666520]

約数ペア:

[(1, 72666520), (2, 36333260), (4, 18166630), (5, 14533304), (8, 9083315), (10, 7266652), (20, 3633326), (37, 1963960), (40, 1816663), (74, 981980), (148, 490990), (185, 392792), (296, 245495), (370, 196396), (740, 98198), (1327, 54760), (1369, 53080), (1480, 49099), (2654, 27380), (2738, 26540), (5308, 13690), (5476, 13270), (6635, 10952), (6845, 10616)]