68560520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244859}}^1$

素因数の和:244877

約数の個数: 32

約数和(自身を含む): 176299200

約数和(自身を除く): 107738680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244859, 489718, 979436, 1224295, 1714013, 1958872, 2448590, 3428026, 4897180, 6856052, 8570065, 9794360, 13712104, 17140130, 34280260, 68560520]

約数ペア:

[(1, 68560520), (2, 34280260), (4, 17140130), (5, 13712104), (7, 9794360), (8, 8570065), (10, 6856052), (14, 4897180), (20, 3428026), (28, 2448590), (35, 1958872), (40, 1714013), (56, 1224295), (70, 979436), (140, 489718), (280, 244859)]