7021520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 18213120

約数和(自身を除く): 11191600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 101, 110, 158, 176, 202, 220, 316, 395, 404, 440, 505, 632, 790, 808, 869, 880, 1010, 1111, 1264, 1580, 1616, 1738, 2020, 2222, 3160, 3476, 4040, 4345, 4444, 5555, 6320, 6952, 7979, 8080, 8690, 8888, 11110, 13904, 15958, 17380, 17776, 22220, 31916, 34760, 39895, 44440, 63832, 69520, 79790, 87769, 88880, 127664, 159580, 175538, 319160, 351076, 438845, 638320, 702152, 877690, 1404304, 1755380, 3510760, 7021520]

約数ペア:

[(1, 7021520), (2, 3510760), (4, 1755380), (5, 1404304), (8, 877690), (10, 702152), (11, 638320), (16, 438845), (20, 351076), (22, 319160), (40, 175538), (44, 159580), (55, 127664), (79, 88880), (80, 87769), (88, 79790), (101, 69520), (110, 63832), (158, 44440), (176, 39895), (202, 34760), (220, 31916), (316, 22220), (395, 17776), (404, 17380), (440, 15958), (505, 13904), (632, 11110), (790, 8888), (808, 8690), (869, 8080), (880, 7979), (1010, 6952), (1111, 6320), (1264, 5555), (1580, 4444), (1616, 4345), (1738, 4040), (2020, 3476), (2222, 3160)]