78824240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 213736320

約数和(自身を除く): 134912080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 220, 242, 272, 340, 374, 440, 479, 484, 605, 680, 748, 880, 935, 958, 968, 1210, 1360, 1496, 1870, 1916, 1936, 2057, 2395, 2420, 2992, 3740, 3832, 4114, 4790, 4840, 5269, 7480, 7664, 8143, 8228, 9580, 9680, 10285, 10538, 14960, 16286, 16456, 19160, 20570, 21076, 26345, 32572, 32912, 38320, 40715, 41140, 42152, 52690, 57959, 65144, 81430, 82280, 84304, 89573, 105380, 115918, 130288, 162860, 164560, 179146, 210760, 231836, 289795, 325720, 358292, 421520, 447865, 463672, 579590, 651440, 716584, 895730, 927344, 985303, 1159180, 1433168, 1791460, 1970606, 2318360, 3582920, 3941212, 4636720, 4926515, 7165840, 7882424, 9853030, 15764848, 19706060, 39412120, 78824240]

約数ペア:

[(1, 78824240), (2, 39412120), (4, 19706060), (5, 15764848), (8, 9853030), (10, 7882424), (11, 7165840), (16, 4926515), (17, 4636720), (20, 3941212), (22, 3582920), (34, 2318360), (40, 1970606), (44, 1791460), (55, 1433168), (68, 1159180), (80, 985303), (85, 927344), (88, 895730), (110, 716584), (121, 651440), (136, 579590), (170, 463672), (176, 447865), (187, 421520), (220, 358292), (242, 325720), (272, 289795), (340, 231836), (374, 210760), (440, 179146), (479, 164560), (484, 162860), (605, 130288), (680, 115918), (748, 105380), (880, 89573), (935, 84304), (958, 82280), (968, 81430), (1210, 65144), (1360, 57959), (1496, 52690), (1870, 42152), (1916, 41140), (1936, 40715), (2057, 38320), (2395, 32912), (2420, 32572), (2992, 26345), (3740, 21076), (3832, 20570), (4114, 19160), (4790, 16456), (4840, 16286), (5269, 14960), (7480, 10538), (7664, 10285), (8143, 9680), (8228, 9580)]