278639280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9439}}^1$

素因数の和:9499

約数の個数: 120

約数和(自身を含む): 958688640

約数和(自身を除く): 680049360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9439, 9840, 14760, 18878, 28317, 29520, 37756, 47195, 56634, 75512, 84951, 94390, 113268, 141585, 151024, 169902, 188780, 226536, 283170, 339804, 377560, 386999, 424755, 453072, 566340, 679608, 755120, 773998, 849510, 1132680, 1160997, 1359216, 1547996, 1699020, 1934995, 2265360, 2321994, 3095992, 3398040, 3482991, 3869990, 4643988, 5804985, 6191984, 6796080, 6965982, 7739980, 9287976, 11609970, 13931964, 15479960, 17414955, 18575952, 23219940, 27863928, 30959920, 34829910, 46439880, 55727856, 69659820, 92879760, 139319640, 278639280]

約数ペア:

[(1, 278639280), (2, 139319640), (3, 92879760), (4, 69659820), (5, 55727856), (6, 46439880), (8, 34829910), (9, 30959920), (10, 27863928), (12, 23219940), (15, 18575952), (16, 17414955), (18, 15479960), (20, 13931964), (24, 11609970), (30, 9287976), (36, 7739980), (40, 6965982), (41, 6796080), (45, 6191984), (48, 5804985), (60, 4643988), (72, 3869990), (80, 3482991), (82, 3398040), (90, 3095992), (120, 2321994), (123, 2265360), (144, 1934995), (164, 1699020), (180, 1547996), (205, 1359216), (240, 1160997), (246, 1132680), (328, 849510), (360, 773998), (369, 755120), (410, 679608), (492, 566340), (615, 453072), (656, 424755), (720, 386999), (738, 377560), (820, 339804), (984, 283170), (1230, 226536), (1476, 188780), (1640, 169902), (1845, 151024), (1968, 141585), (2460, 113268), (2952, 94390), (3280, 84951), (3690, 75512), (4920, 56634), (5904, 47195), (7380, 37756), (9439, 29520), (9840, 28317), (14760, 18878)]