31284880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 80601984

約数和(自身を除く): 49317104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 487, 584, 730, 803, 880, 974, 1168, 1460, 1606, 1948, 2435, 2920, 3212, 3896, 4015, 4870, 5357, 5840, 6424, 7792, 8030, 9740, 10714, 12848, 16060, 19480, 21428, 26785, 32120, 35551, 38960, 42856, 53570, 64240, 71102, 85712, 107140, 142204, 177755, 214280, 284408, 355510, 391061, 428560, 568816, 711020, 782122, 1422040, 1564244, 1955305, 2844080, 3128488, 3910610, 6256976, 7821220, 15642440, 31284880]

約数ペア:

[(1, 31284880), (2, 15642440), (4, 7821220), (5, 6256976), (8, 3910610), (10, 3128488), (11, 2844080), (16, 1955305), (20, 1564244), (22, 1422040), (40, 782122), (44, 711020), (55, 568816), (73, 428560), (80, 391061), (88, 355510), (110, 284408), (146, 214280), (176, 177755), (220, 142204), (292, 107140), (365, 85712), (440, 71102), (487, 64240), (584, 53570), (730, 42856), (803, 38960), (880, 35551), (974, 32120), (1168, 26785), (1460, 21428), (1606, 19480), (1948, 16060), (2435, 12848), (2920, 10714), (3212, 9740), (3896, 8030), (4015, 7792), (4870, 6424), (5357, 5840)]