72582040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 167731200

約数和(自身を除く): 95149160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 103, 158, 206, 223, 316, 395, 412, 446, 515, 632, 790, 824, 892, 1030, 1115, 1580, 1784, 2060, 2230, 3160, 4120, 4460, 8137, 8920, 16274, 17617, 22969, 32548, 35234, 40685, 45938, 65096, 70468, 81370, 88085, 91876, 114845, 140936, 162740, 176170, 183752, 229690, 325480, 352340, 459380, 704680, 918760, 1814551, 3629102, 7258204, 9072755, 14516408, 18145510, 36291020, 72582040]

約数ペア:

[(1, 72582040), (2, 36291020), (4, 18145510), (5, 14516408), (8, 9072755), (10, 7258204), (20, 3629102), (40, 1814551), (79, 918760), (103, 704680), (158, 459380), (206, 352340), (223, 325480), (316, 229690), (395, 183752), (412, 176170), (446, 162740), (515, 140936), (632, 114845), (790, 91876), (824, 88085), (892, 81370), (1030, 70468), (1115, 65096), (1580, 45938), (1784, 40685), (2060, 35234), (2230, 32548), (3160, 22969), (4120, 17617), (4460, 16274), (8137, 8920)]