21131448960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{29989}}^1$

素因数の和:30378

約数の個数: 128

約数和(自身を含む): 67542278400

約数和(自身を除く): 46410829440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 367, 384, 480, 640, 734, 960, 1101, 1468, 1835, 1920, 2202, 2936, 3670, 4404, 5505, 5872, 7340, 8808, 11010, 11744, 14680, 17616, 22020, 23488, 29360, 29989, 35232, 44040, 46976, 58720, 59978, 70464, 88080, 89967, 117440, 119956, 140928, 149945, 176160, 179934, 234880, 239912, 299890, 352320, 359868, 449835, 479824, 599780, 704640, 719736, 899670, 959648, 1199560, 1439472, 1799340, 1919296, 2399120, 2878944, 3598680, 3838592, 4798240, 5757888, 7197360, 9596480, 11005963, 11515776, 14394720, 19192960, 22011926, 28789440, 33017889, 44023852, 55029815, 57578880, 66035778, 88047704, 110059630, 132071556, 165089445, 176095408, 220119260, 264143112, 330178890, 352190816, 440238520, 528286224, 660357780, 704381632, 880477040, 1056572448, 1320715560, 1408763264, 1760954080, 2113144896, 2641431120, 3521908160, 4226289792, 5282862240, 7043816320, 10565724480, 21131448960]

約数ペア:

[(1, 21131448960), (2, 10565724480), (3, 7043816320), (4, 5282862240), (5, 4226289792), (6, 3521908160), (8, 2641431120), (10, 2113144896), (12, 1760954080), (15, 1408763264), (16, 1320715560), (20, 1056572448), (24, 880477040), (30, 704381632), (32, 660357780), (40, 528286224), (48, 440238520), (60, 352190816), (64, 330178890), (80, 264143112), (96, 220119260), (120, 176095408), (128, 165089445), (160, 132071556), (192, 110059630), (240, 88047704), (320, 66035778), (367, 57578880), (384, 55029815), (480, 44023852), (640, 33017889), (734, 28789440), (960, 22011926), (1101, 19192960), (1468, 14394720), (1835, 11515776), (1920, 11005963), (2202, 9596480), (2936, 7197360), (3670, 5757888), (4404, 4798240), (5505, 3838592), (5872, 3598680), (7340, 2878944), (8808, 2399120), (11010, 1919296), (11744, 1799340), (14680, 1439472), (17616, 1199560), (22020, 959648), (23488, 899670), (29360, 719736), (29989, 704640), (35232, 599780), (44040, 479824), (46976, 449835), (58720, 359868), (59978, 352320), (70464, 299890), (88080, 239912), (89967, 234880), (117440, 179934), (119956, 176160), (140928, 149945)]