19729680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82207}}^1$

素因数の和:82223

約数の個数: 40

約数和(自身を含む): 61162752

約数和(自身を除く): 41433072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82207, 164414, 246621, 328828, 411035, 493242, 657656, 822070, 986484, 1233105, 1315312, 1644140, 1972968, 2466210, 3288280, 3945936, 4932420, 6576560, 9864840, 19729680]

約数ペア:

[(1, 19729680), (2, 9864840), (3, 6576560), (4, 4932420), (5, 3945936), (6, 3288280), (8, 2466210), (10, 1972968), (12, 1644140), (15, 1315312), (16, 1233105), (20, 986484), (24, 822070), (30, 657656), (40, 493242), (48, 411035), (60, 328828), (80, 246621), (120, 164414), (240, 82207)]