155501360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:4002

約数の個数: 80

約数和(自身を含む): 419116032

約数和(自身を除く): 263614672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3911, 3976, 4970, 5680, 7822, 7952, 9940, 15644, 19555, 19880, 27377, 31288, 39110, 39760, 54754, 62576, 78220, 109508, 136885, 156440, 219016, 273770, 277681, 312880, 438032, 547540, 555362, 1095080, 1110724, 1388405, 1943767, 2190160, 2221448, 2776810, 3887534, 4442896, 5553620, 7775068, 9718835, 11107240, 15550136, 19437670, 22214480, 31100272, 38875340, 77750680, 155501360]

約数ペア:

[(1, 155501360), (2, 77750680), (4, 38875340), (5, 31100272), (7, 22214480), (8, 19437670), (10, 15550136), (14, 11107240), (16, 9718835), (20, 7775068), (28, 5553620), (35, 4442896), (40, 3887534), (56, 2776810), (70, 2221448), (71, 2190160), (80, 1943767), (112, 1388405), (140, 1110724), (142, 1095080), (280, 555362), (284, 547540), (355, 438032), (497, 312880), (560, 277681), (568, 273770), (710, 219016), (994, 156440), (1136, 136885), (1420, 109508), (1988, 78220), (2485, 62576), (2840, 54754), (3911, 39760), (3976, 39110), (4970, 31288), (5680, 27377), (7822, 19880), (7952, 19555), (9940, 15644)]