12804780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2113}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 36225504

約数和(自身を除く): 23420724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 2113, 3030, 4226, 6060, 6339, 8452, 10565, 12678, 21130, 25356, 31695, 42260, 63390, 126780, 213413, 426826, 640239, 853652, 1067065, 1280478, 2134130, 2560956, 3201195, 4268260, 6402390, 12804780]

約数ペア:

[(1, 12804780), (2, 6402390), (3, 4268260), (4, 3201195), (5, 2560956), (6, 2134130), (10, 1280478), (12, 1067065), (15, 853652), (20, 640239), (30, 426826), (60, 213413), (101, 126780), (202, 63390), (303, 42260), (404, 31695), (505, 25356), (606, 21130), (1010, 12678), (1212, 10565), (1515, 8452), (2020, 6339), (2113, 6060), (3030, 4226)]