65103780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155009}}^1$

素因数の和:155028

約数の個数: 48

約数和(自身を含む): 208333440

約数和(自身を除く): 143229660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 155009, 310018, 465027, 620036, 775045, 930054, 1085063, 1550090, 1860108, 2170126, 2325135, 3100180, 3255189, 4340252, 4650270, 5425315, 6510378, 9300540, 10850630, 13020756, 16275945, 21701260, 32551890, 65103780]

約数ペア:

[(1, 65103780), (2, 32551890), (3, 21701260), (4, 16275945), (5, 13020756), (6, 10850630), (7, 9300540), (10, 6510378), (12, 5425315), (14, 4650270), (15, 4340252), (20, 3255189), (21, 3100180), (28, 2325135), (30, 2170126), (35, 1860108), (42, 1550090), (60, 1085063), (70, 930054), (84, 775045), (105, 620036), (140, 465027), (210, 310018), (420, 155009)]