12697720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 33048000

約数和(自身を除く): 20350280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 449, 505, 707, 808, 898, 1010, 1414, 1796, 2020, 2245, 2828, 3143, 3535, 3592, 4040, 4490, 5656, 6286, 7070, 8980, 12572, 14140, 15715, 17960, 25144, 28280, 31430, 45349, 62860, 90698, 125720, 181396, 226745, 317443, 362792, 453490, 634886, 906980, 1269772, 1587215, 1813960, 2539544, 3174430, 6348860, 12697720]

約数ペア:

[(1, 12697720), (2, 6348860), (4, 3174430), (5, 2539544), (7, 1813960), (8, 1587215), (10, 1269772), (14, 906980), (20, 634886), (28, 453490), (35, 362792), (40, 317443), (56, 226745), (70, 181396), (101, 125720), (140, 90698), (202, 62860), (280, 45349), (404, 31430), (449, 28280), (505, 25144), (707, 17960), (808, 15715), (898, 14140), (1010, 12572), (1414, 8980), (1796, 7070), (2020, 6286), (2245, 5656), (2828, 4490), (3143, 4040), (3535, 3592)]