255996825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 504655200

約数和(自身を除く): 248658375

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 147, 175, 205, 245, 287, 525, 615, 735, 861, 1025, 1225, 1435, 1699, 2009, 3075, 3675, 4305, 5097, 6027, 7175, 8495, 10045, 11893, 21525, 25485, 30135, 35679, 42475, 50225, 59465, 69659, 83251, 127425, 150675, 178395, 208977, 249753, 297325, 348295, 416255, 487613, 891975, 1044885, 1248765, 1462839, 1741475, 2081275, 2438065, 3413291, 5224425, 6243825, 7314195, 10239873, 12190325, 17066455, 36570975, 51199365, 85332275, 255996825]

約数ペア:

[(1, 255996825), (3, 85332275), (5, 51199365), (7, 36570975), (15, 17066455), (21, 12190325), (25, 10239873), (35, 7314195), (41, 6243825), (49, 5224425), (75, 3413291), (105, 2438065), (123, 2081275), (147, 1741475), (175, 1462839), (205, 1248765), (245, 1044885), (287, 891975), (525, 487613), (615, 416255), (735, 348295), (861, 297325), (1025, 249753), (1225, 208977), (1435, 178395), (1699, 150675), (2009, 127425), (3075, 83251), (3675, 69659), (4305, 59465), (5097, 50225), (6027, 42475), (7175, 35679), (8495, 30135), (10045, 25485), (11893, 21525)]