15721805440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{22111}}^1$

素因数の和:22242

約数の個数: 128

約数和(自身を含む): 41409584640

約数和(自身を除く): 25687779200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 101, 110, 128, 160, 176, 202, 220, 320, 352, 404, 440, 505, 640, 704, 808, 880, 1010, 1111, 1408, 1616, 1760, 2020, 2222, 3232, 3520, 4040, 4444, 5555, 6464, 7040, 8080, 8888, 11110, 12928, 16160, 17776, 22111, 22220, 32320, 35552, 44222, 44440, 64640, 71104, 88444, 88880, 110555, 142208, 176888, 177760, 221110, 243221, 353776, 355520, 442220, 486442, 707552, 711040, 884440, 972884, 1216105, 1415104, 1768880, 1945768, 2233211, 2432210, 2830208, 3537760, 3891536, 4466422, 4864420, 7075520, 7783072, 8932844, 9728840, 11166055, 14151040, 15566144, 17865688, 19457680, 22332110, 24565321, 31132288, 35731376, 38915360, 44664220, 49130642, 71462752, 77830720, 89328440, 98261284, 122826605, 142925504, 155661440, 178656880, 196522568, 245653210, 285851008, 357313760, 393045136, 491306420, 714627520, 786090272, 982612840, 1429255040, 1572180544, 1965225680, 3144361088, 3930451360, 7860902720, 15721805440]

約数ペア:

[(1, 15721805440), (2, 7860902720), (4, 3930451360), (5, 3144361088), (8, 1965225680), (10, 1572180544), (11, 1429255040), (16, 982612840), (20, 786090272), (22, 714627520), (32, 491306420), (40, 393045136), (44, 357313760), (55, 285851008), (64, 245653210), (80, 196522568), (88, 178656880), (101, 155661440), (110, 142925504), (128, 122826605), (160, 98261284), (176, 89328440), (202, 77830720), (220, 71462752), (320, 49130642), (352, 44664220), (404, 38915360), (440, 35731376), (505, 31132288), (640, 24565321), (704, 22332110), (808, 19457680), (880, 17865688), (1010, 15566144), (1111, 14151040), (1408, 11166055), (1616, 9728840), (1760, 8932844), (2020, 7783072), (2222, 7075520), (3232, 4864420), (3520, 4466422), (4040, 3891536), (4444, 3537760), (5555, 2830208), (6464, 2432210), (7040, 2233211), (8080, 1945768), (8888, 1768880), (11110, 1415104), (12928, 1216105), (16160, 972884), (17776, 884440), (22111, 711040), (22220, 707552), (32320, 486442), (35552, 442220), (44222, 355520), (44440, 353776), (64640, 243221), (71104, 221110), (88444, 177760), (88880, 176888), (110555, 142208)]