81349590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22787}}^1$

素因数の和:22821

約数の個数: 64

約数和(自身を含む): 236265984

約数和(自身を除く): 154916394

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 22787, 45574, 68361, 113935, 136722, 159509, 227870, 319018, 341805, 387379, 478527, 683610, 774758, 797545, 957054, 1162137, 1595090, 1936895, 2324274, 2392635, 2711653, 3873790, 4785270, 5423306, 5810685, 8134959, 11621370, 13558265, 16269918, 27116530, 40674795, 81349590]

約数ペア:

[(1, 81349590), (2, 40674795), (3, 27116530), (5, 16269918), (6, 13558265), (7, 11621370), (10, 8134959), (14, 5810685), (15, 5423306), (17, 4785270), (21, 3873790), (30, 2711653), (34, 2392635), (35, 2324274), (42, 1936895), (51, 1595090), (70, 1162137), (85, 957054), (102, 797545), (105, 774758), (119, 683610), (170, 478527), (210, 387379), (238, 341805), (255, 319018), (357, 227870), (510, 159509), (595, 136722), (714, 113935), (1190, 68361), (1785, 45574), (3570, 22787)]