1272320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 80

約数和(自身を含む): 3535488

約数和(自身を除く): 2263168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 448, 497, 512, 560, 568, 640, 710, 896, 994, 1120, 1136, 1280, 1420, 1792, 1988, 2240, 2272, 2485, 2560, 2840, 3584, 3976, 4480, 4544, 4970, 5680, 7952, 8960, 9088, 9940, 11360, 15904, 17920, 18176, 19880, 22720, 31808, 36352, 39760, 45440, 63616, 79520, 90880, 127232, 159040, 181760, 254464, 318080, 636160, 1272320]

約数ペア:

[(1, 1272320), (2, 636160), (4, 318080), (5, 254464), (7, 181760), (8, 159040), (10, 127232), (14, 90880), (16, 79520), (20, 63616), (28, 45440), (32, 39760), (35, 36352), (40, 31808), (56, 22720), (64, 19880), (70, 18176), (71, 17920), (80, 15904), (112, 11360), (128, 9940), (140, 9088), (142, 8960), (160, 7952), (224, 5680), (256, 4970), (280, 4544), (284, 4480), (320, 3976), (355, 3584), (448, 2840), (497, 2560), (512, 2485), (560, 2272), (568, 2240), (640, 1988), (710, 1792), (896, 1420), (994, 1280), (1120, 1136)]