860021680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52957}}^1$

素因数の和:53006

約数の個数: 80

約数和(自身を含む): 2364045120

約数和(自身を除く): 1504023440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 52957, 105914, 211828, 264785, 370699, 423656, 529570, 741398, 847312, 1059140, 1482796, 1535753, 1853495, 2118280, 2965592, 3071506, 3706990, 4236560, 5931184, 6143012, 7413980, 7678765, 10750271, 12286024, 14827960, 15357530, 21500542, 24572048, 29655920, 30715060, 43001084, 53751355, 61430120, 86002168, 107502710, 122860240, 172004336, 215005420, 430010840, 860021680]

約数ペア:

[(1, 860021680), (2, 430010840), (4, 215005420), (5, 172004336), (7, 122860240), (8, 107502710), (10, 86002168), (14, 61430120), (16, 53751355), (20, 43001084), (28, 30715060), (29, 29655920), (35, 24572048), (40, 21500542), (56, 15357530), (58, 14827960), (70, 12286024), (80, 10750271), (112, 7678765), (116, 7413980), (140, 6143012), (145, 5931184), (203, 4236560), (232, 3706990), (280, 3071506), (290, 2965592), (406, 2118280), (464, 1853495), (560, 1535753), (580, 1482796), (812, 1059140), (1015, 847312), (1160, 741398), (1624, 529570), (2030, 423656), (2320, 370699), (3248, 264785), (4060, 211828), (8120, 105914), (16240, 52957)]