28740720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3910

約数の個数: 80

約数和(自身を含む): 91994112

約数和(自身を除く): 63253392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 3863, 7440, 7726, 11589, 15452, 19315, 23178, 30904, 38630, 46356, 57945, 61808, 77260, 92712, 115890, 119753, 154520, 185424, 231780, 239506, 309040, 359259, 463560, 479012, 598765, 718518, 927120, 958024, 1197530, 1437036, 1796295, 1916048, 2395060, 2874072, 3592590, 4790120, 5748144, 7185180, 9580240, 14370360, 28740720]

約数ペア:

[(1, 28740720), (2, 14370360), (3, 9580240), (4, 7185180), (5, 5748144), (6, 4790120), (8, 3592590), (10, 2874072), (12, 2395060), (15, 1916048), (16, 1796295), (20, 1437036), (24, 1197530), (30, 958024), (31, 927120), (40, 718518), (48, 598765), (60, 479012), (62, 463560), (80, 359259), (93, 309040), (120, 239506), (124, 231780), (155, 185424), (186, 154520), (240, 119753), (248, 115890), (310, 92712), (372, 77260), (465, 61808), (496, 57945), (620, 46356), (744, 38630), (930, 30904), (1240, 23178), (1488, 19315), (1860, 15452), (2480, 11589), (3720, 7726), (3863, 7440)]