140702960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1710

約数の個数: 80

約数和(自身を含む): 348834816

約数和(自身を除く): 208131856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1627, 1840, 1880, 2162, 3254, 3760, 4324, 5405, 6508, 8135, 8648, 10810, 13016, 16270, 17296, 21620, 26032, 32540, 37421, 43240, 65080, 74842, 76469, 86480, 130160, 149684, 152938, 187105, 299368, 305876, 374210, 382345, 598736, 611752, 748420, 764690, 1223504, 1496840, 1529380, 1758787, 2993680, 3058760, 3517574, 6117520, 7035148, 8793935, 14070296, 17587870, 28140592, 35175740, 70351480, 140702960]

約数ペア:

[(1, 140702960), (2, 70351480), (4, 35175740), (5, 28140592), (8, 17587870), (10, 14070296), (16, 8793935), (20, 7035148), (23, 6117520), (40, 3517574), (46, 3058760), (47, 2993680), (80, 1758787), (92, 1529380), (94, 1496840), (115, 1223504), (184, 764690), (188, 748420), (230, 611752), (235, 598736), (368, 382345), (376, 374210), (460, 305876), (470, 299368), (752, 187105), (920, 152938), (940, 149684), (1081, 130160), (1627, 86480), (1840, 76469), (1880, 74842), (2162, 65080), (3254, 43240), (3760, 37421), (4324, 32540), (5405, 26032), (6508, 21620), (8135, 17296), (8648, 16270), (10810, 13016)]