121379280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 160

約数和(自身を含む): 428544000

約数和(自身を除く): 307164720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 368, 440, 460, 506, 528, 552, 660, 690, 759, 880, 920, 1012, 1104, 1265, 1320, 1380, 1518, 1840, 1999, 2024, 2530, 2640, 2760, 3036, 3795, 3998, 4048, 5060, 5520, 5997, 6072, 7590, 7996, 9995, 10120, 11994, 12144, 15180, 15992, 19990, 20240, 21989, 23988, 29985, 30360, 31984, 39980, 43978, 45977, 47976, 59970, 60720, 65967, 79960, 87956, 91954, 95952, 109945, 119940, 131934, 137931, 159920, 175912, 183908, 219890, 229885, 239880, 263868, 275862, 329835, 351824, 367816, 439780, 459770, 479760, 505747, 527736, 551724, 659670, 689655, 735632, 879560, 919540, 1011494, 1055472, 1103448, 1319340, 1379310, 1517241, 1759120, 1839080, 2022988, 2206896, 2528735, 2638680, 2758620, 3034482, 3678160, 4045976, 5057470, 5277360, 5517240, 6068964, 7586205, 8091952, 10114940, 11034480, 12137928, 15172410, 20229880, 24275856, 30344820, 40459760, 60689640, 121379280]

約数ペア:

[(1, 121379280), (2, 60689640), (3, 40459760), (4, 30344820), (5, 24275856), (6, 20229880), (8, 15172410), (10, 12137928), (11, 11034480), (12, 10114940), (15, 8091952), (16, 7586205), (20, 6068964), (22, 5517240), (23, 5277360), (24, 5057470), (30, 4045976), (33, 3678160), (40, 3034482), (44, 2758620), (46, 2638680), (48, 2528735), (55, 2206896), (60, 2022988), (66, 1839080), (69, 1759120), (80, 1517241), (88, 1379310), (92, 1319340), (110, 1103448), (115, 1055472), (120, 1011494), (132, 919540), (138, 879560), (165, 735632), (176, 689655), (184, 659670), (220, 551724), (230, 527736), (240, 505747), (253, 479760), (264, 459770), (276, 439780), (330, 367816), (345, 351824), (368, 329835), (440, 275862), (460, 263868), (506, 239880), (528, 229885), (552, 219890), (660, 183908), (690, 175912), (759, 159920), (880, 137931), (920, 131934), (1012, 119940), (1104, 109945), (1265, 95952), (1320, 91954), (1380, 87956), (1518, 79960), (1840, 65967), (1999, 60720), (2024, 59970), (2530, 47976), (2640, 45977), (2760, 43978), (3036, 39980), (3795, 31984), (3998, 30360), (4048, 29985), (5060, 23988), (5520, 21989), (5997, 20240), (6072, 19990), (7590, 15992), (7996, 15180), (9995, 12144), (10120, 11994)]