81981870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40787}}^1$

素因数の和:40864

約数の個数: 32

約数和(自身を含む): 199698048

約数和(自身を除く): 117716178

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 40787, 81574, 122361, 203935, 244722, 407870, 611805, 1223610, 2732729, 5465458, 8198187, 13663645, 16396374, 27327290, 40990935, 81981870]

約数ペア:

[(1, 81981870), (2, 40990935), (3, 27327290), (5, 16396374), (6, 13663645), (10, 8198187), (15, 5465458), (30, 2732729), (67, 1223610), (134, 611805), (201, 407870), (335, 244722), (402, 203935), (670, 122361), (1005, 81574), (2010, 40787)]