620245040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2647}}^1$

素因数の和:2790

約数の個数: 80

約数和(自身を含む): 1507135680

約数和(自身を除く): 886890640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 404, 464, 505, 580, 808, 1010, 1160, 1616, 2020, 2320, 2647, 2929, 4040, 5294, 5858, 8080, 10588, 11716, 13235, 14645, 21176, 23432, 26470, 29290, 42352, 46864, 52940, 58580, 76763, 105880, 117160, 153526, 211760, 234320, 267347, 307052, 383815, 534694, 614104, 767630, 1069388, 1228208, 1336735, 1535260, 2138776, 2673470, 3070520, 4277552, 5346940, 6141040, 7753063, 10693880, 15506126, 21387760, 31012252, 38765315, 62024504, 77530630, 124049008, 155061260, 310122520, 620245040]

約数ペア:

[(1, 620245040), (2, 310122520), (4, 155061260), (5, 124049008), (8, 77530630), (10, 62024504), (16, 38765315), (20, 31012252), (29, 21387760), (40, 15506126), (58, 10693880), (80, 7753063), (101, 6141040), (116, 5346940), (145, 4277552), (202, 3070520), (232, 2673470), (290, 2138776), (404, 1535260), (464, 1336735), (505, 1228208), (580, 1069388), (808, 767630), (1010, 614104), (1160, 534694), (1616, 383815), (2020, 307052), (2320, 267347), (2647, 234320), (2929, 211760), (4040, 153526), (5294, 117160), (5858, 105880), (8080, 76763), (10588, 58580), (11716, 52940), (13235, 46864), (14645, 42352), (21176, 29290), (23432, 26470)]