72031120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 120456560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 293, 439, 560, 586, 878, 1172, 1465, 1756, 2051, 2195, 2344, 2930, 3073, 3512, 4102, 4390, 4688, 5860, 6146, 7024, 8204, 8780, 10255, 11720, 12292, 15365, 16408, 17560, 20510, 23440, 24584, 30730, 32816, 35120, 41020, 49168, 61460, 82040, 122920, 128627, 164080, 245840, 257254, 514508, 643135, 900389, 1029016, 1286270, 1800778, 2058032, 2572540, 3601556, 4501945, 5145080, 7203112, 9003890, 10290160, 14406224, 18007780, 36015560, 72031120]

約数ペア:

[(1, 72031120), (2, 36015560), (4, 18007780), (5, 14406224), (7, 10290160), (8, 9003890), (10, 7203112), (14, 5145080), (16, 4501945), (20, 3601556), (28, 2572540), (35, 2058032), (40, 1800778), (56, 1286270), (70, 1029016), (80, 900389), (112, 643135), (140, 514508), (280, 257254), (293, 245840), (439, 164080), (560, 128627), (586, 122920), (878, 82040), (1172, 61460), (1465, 49168), (1756, 41020), (2051, 35120), (2195, 32816), (2344, 30730), (2930, 24584), (3073, 23440), (3512, 20510), (4102, 17560), (4390, 16408), (4688, 15365), (5860, 12292), (6146, 11720), (7024, 10255), (8204, 8780)]