81120960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 224

約数和(自身を含む): 294436800

約数和(自身を除く): 213315840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 64, 72, 80, 82, 90, 96, 108, 120, 123, 135, 144, 160, 164, 180, 192, 205, 216, 229, 240, 246, 270, 288, 320, 328, 360, 369, 410, 432, 458, 480, 492, 540, 576, 615, 656, 687, 720, 738, 820, 864, 916, 960, 984, 1080, 1107, 1145, 1230, 1312, 1374, 1440, 1476, 1640, 1728, 1832, 1845, 1968, 2061, 2160, 2214, 2290, 2460, 2624, 2748, 2880, 2952, 3280, 3435, 3664, 3690, 3936, 4122, 4320, 4428, 4580, 4920, 5496, 5535, 5904, 6183, 6560, 6870, 7328, 7380, 7872, 8244, 8640, 8856, 9160, 9389, 9840, 10305, 10992, 11070, 11808, 12366, 13120, 13740, 14656, 14760, 16488, 17712, 18320, 18778, 19680, 20610, 21984, 22140, 23616, 24732, 27480, 28167, 29520, 30915, 32976, 35424, 36640, 37556, 39360, 41220, 43968, 44280, 46945, 49464, 54960, 56334, 59040, 61830, 65952, 70848, 73280, 75112, 82440, 84501, 88560, 93890, 98928, 109920, 112668, 118080, 123660, 131904, 140835, 150224, 164880, 169002, 177120, 187780, 197856, 219840, 225336, 247320, 253503, 281670, 300448, 329760, 338004, 354240, 375560, 395712, 422505, 450672, 494640, 507006, 563340, 600896, 659520, 676008, 751120, 845010, 901344, 989280, 1014012, 1126680, 1267515, 1352016, 1502240, 1690020, 1802688, 1978560, 2028024, 2253360, 2535030, 2704032, 3004480, 3380040, 4056048, 4506720, 5070060, 5408064, 6760080, 8112096, 9013440, 10140120, 13520160, 16224192, 20280240, 27040320, 40560480, 81120960]

約数ペア:

[(1, 81120960), (2, 40560480), (3, 27040320), (4, 20280240), (5, 16224192), (6, 13520160), (8, 10140120), (9, 9013440), (10, 8112096), (12, 6760080), (15, 5408064), (16, 5070060), (18, 4506720), (20, 4056048), (24, 3380040), (27, 3004480), (30, 2704032), (32, 2535030), (36, 2253360), (40, 2028024), (41, 1978560), (45, 1802688), (48, 1690020), (54, 1502240), (60, 1352016), (64, 1267515), (72, 1126680), (80, 1014012), (82, 989280), (90, 901344), (96, 845010), (108, 751120), (120, 676008), (123, 659520), (135, 600896), (144, 563340), (160, 507006), (164, 494640), (180, 450672), (192, 422505), (205, 395712), (216, 375560), (229, 354240), (240, 338004), (246, 329760), (270, 300448), (288, 281670), (320, 253503), (328, 247320), (360, 225336), (369, 219840), (410, 197856), (432, 187780), (458, 177120), (480, 169002), (492, 164880), (540, 150224), (576, 140835), (615, 131904), (656, 123660), (687, 118080), (720, 112668), (738, 109920), (820, 98928), (864, 93890), (916, 88560), (960, 84501), (984, 82440), (1080, 75112), (1107, 73280), (1145, 70848), (1230, 65952), (1312, 61830), (1374, 59040), (1440, 56334), (1476, 54960), (1640, 49464), (1728, 46945), (1832, 44280), (1845, 43968), (1968, 41220), (2061, 39360), (2160, 37556), (2214, 36640), (2290, 35424), (2460, 32976), (2624, 30915), (2748, 29520), (2880, 28167), (2952, 27480), (3280, 24732), (3435, 23616), (3664, 22140), (3690, 21984), (3936, 20610), (4122, 19680), (4320, 18778), (4428, 18320), (4580, 17712), (4920, 16488), (5496, 14760), (5535, 14656), (5904, 13740), (6183, 13120), (6560, 12366), (6870, 11808), (7328, 11070), (7380, 10992), (7872, 10305), (8244, 9840), (8640, 9389), (8856, 9160)]