78561140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7687}}^1$

素因数の和:7776

約数の個数: 48

約数和(自身を含む): 191154432

約数和(自身を除く): 112593292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7687, 10220, 15374, 30748, 38435, 53809, 76870, 107618, 153740, 215236, 269045, 538090, 561151, 1076180, 1122302, 2244604, 2805755, 3928057, 5611510, 7856114, 11223020, 15712228, 19640285, 39280570, 78561140]

約数ペア:

[(1, 78561140), (2, 39280570), (4, 19640285), (5, 15712228), (7, 11223020), (10, 7856114), (14, 5611510), (20, 3928057), (28, 2805755), (35, 2244604), (70, 1122302), (73, 1076180), (140, 561151), (146, 538090), (292, 269045), (365, 215236), (511, 153740), (730, 107618), (1022, 76870), (1460, 53809), (2044, 38435), (2555, 30748), (5110, 15374), (7687, 10220)]