18157480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 46137600

約数和(自身を除く): 27980120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1423, 1595, 2552, 2846, 3190, 5692, 6380, 7115, 11384, 12760, 14230, 15653, 28460, 31306, 41267, 56920, 62612, 78265, 82534, 125224, 156530, 165068, 206335, 313060, 330136, 412670, 453937, 626120, 825340, 907874, 1650680, 1815748, 2269685, 3631496, 4539370, 9078740, 18157480]

約数ペア:

[(1, 18157480), (2, 9078740), (4, 4539370), (5, 3631496), (8, 2269685), (10, 1815748), (11, 1650680), (20, 907874), (22, 825340), (29, 626120), (40, 453937), (44, 412670), (55, 330136), (58, 313060), (88, 206335), (110, 165068), (116, 156530), (145, 125224), (220, 82534), (232, 78265), (290, 62612), (319, 56920), (440, 41267), (580, 31306), (638, 28460), (1160, 15653), (1276, 14230), (1423, 12760), (1595, 11384), (2552, 7115), (2846, 6380), (3190, 5692)]