78216480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1923

約数の個数: 144

約数和(自身を含む): 276265080

約数和(自身を除く): 198048600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 1873, 2088, 2320, 2610, 2784, 3480, 3746, 4176, 4640, 5220, 5619, 6960, 7492, 8352, 9365, 10440, 11238, 13920, 14984, 16857, 18730, 20880, 22476, 28095, 29968, 33714, 37460, 41760, 44952, 54317, 56190, 59936, 67428, 74920, 84285, 89904, 108634, 112380, 134856, 149840, 162951, 168570, 179808, 217268, 224760, 269712, 271585, 299680, 325902, 337140, 434536, 449520, 488853, 539424, 543170, 651804, 674280, 814755, 869072, 899040, 977706, 1086340, 1303608, 1348560, 1629510, 1738144, 1955412, 2172680, 2444265, 2607216, 2697120, 3259020, 3910824, 4345360, 4888530, 5214432, 6518040, 7821648, 8690720, 9777060, 13036080, 15643296, 19554120, 26072160, 39108240, 78216480]

約数ペア:

[(1, 78216480), (2, 39108240), (3, 26072160), (4, 19554120), (5, 15643296), (6, 13036080), (8, 9777060), (9, 8690720), (10, 7821648), (12, 6518040), (15, 5214432), (16, 4888530), (18, 4345360), (20, 3910824), (24, 3259020), (29, 2697120), (30, 2607216), (32, 2444265), (36, 2172680), (40, 1955412), (45, 1738144), (48, 1629510), (58, 1348560), (60, 1303608), (72, 1086340), (80, 977706), (87, 899040), (90, 869072), (96, 814755), (116, 674280), (120, 651804), (144, 543170), (145, 539424), (160, 488853), (174, 449520), (180, 434536), (232, 337140), (240, 325902), (261, 299680), (288, 271585), (290, 269712), (348, 224760), (360, 217268), (435, 179808), (464, 168570), (480, 162951), (522, 149840), (580, 134856), (696, 112380), (720, 108634), (870, 89904), (928, 84285), (1044, 74920), (1160, 67428), (1305, 59936), (1392, 56190), (1440, 54317), (1740, 44952), (1873, 41760), (2088, 37460), (2320, 33714), (2610, 29968), (2784, 28095), (3480, 22476), (3746, 20880), (4176, 18730), (4640, 16857), (5220, 14984), (5619, 13920), (6960, 11238), (7492, 10440), (8352, 9365)]