280140480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:695

約数の個数: 168

約数和(自身を含む): 970233264

約数和(自身を除く): 690092784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 211, 240, 288, 320, 360, 422, 461, 480, 576, 633, 720, 844, 922, 960, 1055, 1266, 1383, 1440, 1688, 1844, 1899, 2110, 2305, 2532, 2766, 2880, 3165, 3376, 3688, 3798, 4149, 4220, 4610, 5064, 5532, 6330, 6752, 6915, 7376, 7596, 8298, 8440, 9220, 9495, 10128, 11064, 12660, 13504, 13830, 14752, 15192, 16596, 16880, 18440, 18990, 20256, 20745, 22128, 25320, 27660, 29504, 30384, 33192, 33760, 36880, 37980, 40512, 41490, 44256, 50640, 55320, 60768, 66384, 67520, 73760, 75960, 82980, 88512, 97271, 101280, 110640, 121536, 132768, 147520, 151920, 165960, 194542, 202560, 221280, 265536, 291813, 303840, 331920, 389084, 442560, 486355, 583626, 607680, 663840, 778168, 875439, 972710, 1167252, 1327680, 1459065, 1556336, 1750878, 1945420, 2334504, 2918130, 3112672, 3501756, 3890840, 4377195, 4669008, 5836260, 6225344, 7003512, 7781680, 8754390, 9338016, 11672520, 14007024, 15563360, 17508780, 18676032, 23345040, 28014048, 31126720, 35017560, 46690080, 56028096, 70035120, 93380160, 140070240, 280140480]

約数ペア:

[(1, 280140480), (2, 140070240), (3, 93380160), (4, 70035120), (5, 56028096), (6, 46690080), (8, 35017560), (9, 31126720), (10, 28014048), (12, 23345040), (15, 18676032), (16, 17508780), (18, 15563360), (20, 14007024), (24, 11672520), (30, 9338016), (32, 8754390), (36, 7781680), (40, 7003512), (45, 6225344), (48, 5836260), (60, 4669008), (64, 4377195), (72, 3890840), (80, 3501756), (90, 3112672), (96, 2918130), (120, 2334504), (144, 1945420), (160, 1750878), (180, 1556336), (192, 1459065), (211, 1327680), (240, 1167252), (288, 972710), (320, 875439), (360, 778168), (422, 663840), (461, 607680), (480, 583626), (576, 486355), (633, 442560), (720, 389084), (844, 331920), (922, 303840), (960, 291813), (1055, 265536), (1266, 221280), (1383, 202560), (1440, 194542), (1688, 165960), (1844, 151920), (1899, 147520), (2110, 132768), (2305, 121536), (2532, 110640), (2766, 101280), (2880, 97271), (3165, 88512), (3376, 82980), (3688, 75960), (3798, 73760), (4149, 67520), (4220, 66384), (4610, 60768), (5064, 55320), (5532, 50640), (6330, 44256), (6752, 41490), (6915, 40512), (7376, 37980), (7596, 36880), (8298, 33760), (8440, 33192), (9220, 30384), (9495, 29504), (10128, 27660), (11064, 25320), (12660, 22128), (13504, 20745), (13830, 20256), (14752, 18990), (15192, 18440), (16596, 16880)]