15897360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{66239}}^1$

素因数の和:66255

約数の個数: 40

約数和(自身を含む): 49282560

約数和(自身を除く): 33385200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 66239, 132478, 198717, 264956, 331195, 397434, 529912, 662390, 794868, 993585, 1059824, 1324780, 1589736, 1987170, 2649560, 3179472, 3974340, 5299120, 7948680, 15897360]

約数ペア:

[(1, 15897360), (2, 7948680), (3, 5299120), (4, 3974340), (5, 3179472), (6, 2649560), (8, 1987170), (10, 1589736), (12, 1324780), (15, 1059824), (16, 993585), (20, 794868), (24, 662390), (30, 529912), (40, 397434), (48, 331195), (60, 264956), (80, 198717), (120, 132478), (240, 66239)]