15904000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 45916416

約数和(自身を除く): 30012416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 80, 100, 112, 125, 128, 140, 142, 160, 175, 200, 224, 250, 256, 280, 284, 320, 350, 355, 400, 448, 497, 500, 560, 568, 640, 700, 710, 800, 875, 896, 994, 1000, 1120, 1136, 1280, 1400, 1420, 1600, 1750, 1775, 1792, 1988, 2000, 2240, 2272, 2485, 2800, 2840, 3200, 3500, 3550, 3976, 4000, 4480, 4544, 4970, 5600, 5680, 6400, 7000, 7100, 7952, 8000, 8875, 8960, 9088, 9940, 11200, 11360, 12425, 14000, 14200, 15904, 16000, 17750, 18176, 19880, 22400, 22720, 24850, 28000, 28400, 31808, 32000, 35500, 39760, 44800, 45440, 49700, 56000, 56800, 62125, 63616, 71000, 79520, 90880, 99400, 112000, 113600, 124250, 127232, 142000, 159040, 198800, 224000, 227200, 248500, 284000, 318080, 397600, 454400, 497000, 568000, 636160, 795200, 994000, 1136000, 1590400, 1988000, 2272000, 3180800, 3976000, 7952000, 15904000]

約数ペア:

[(1, 15904000), (2, 7952000), (4, 3976000), (5, 3180800), (7, 2272000), (8, 1988000), (10, 1590400), (14, 1136000), (16, 994000), (20, 795200), (25, 636160), (28, 568000), (32, 497000), (35, 454400), (40, 397600), (50, 318080), (56, 284000), (64, 248500), (70, 227200), (71, 224000), (80, 198800), (100, 159040), (112, 142000), (125, 127232), (128, 124250), (140, 113600), (142, 112000), (160, 99400), (175, 90880), (200, 79520), (224, 71000), (250, 63616), (256, 62125), (280, 56800), (284, 56000), (320, 49700), (350, 45440), (355, 44800), (400, 39760), (448, 35500), (497, 32000), (500, 31808), (560, 28400), (568, 28000), (640, 24850), (700, 22720), (710, 22400), (800, 19880), (875, 18176), (896, 17750), (994, 16000), (1000, 15904), (1120, 14200), (1136, 14000), (1280, 12425), (1400, 11360), (1420, 11200), (1600, 9940), (1750, 9088), (1775, 8960), (1792, 8875), (1988, 8000), (2000, 7952), (2240, 7100), (2272, 7000), (2485, 6400), (2800, 5680), (2840, 5600), (3200, 4970), (3500, 4544), (3550, 4480), (3976, 4000)]