17927680

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 26265920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 149, 160, 188, 235, 256, 298, 320, 376, 470, 512, 596, 640, 745, 752, 940, 1192, 1280, 1490, 1504, 1880, 2384, 2560, 2980, 3008, 3760, 4768, 5960, 6016, 7003, 7520, 9536, 11920, 12032, 14006, 15040, 19072, 23840, 24064, 28012, 30080, 35015, 38144, 47680, 56024, 60160, 70030, 76288, 95360, 112048, 120320, 140060, 190720, 224096, 280120, 381440, 448192, 560240, 896384, 1120480, 1792768, 2240960, 3585536, 4481920, 8963840, 17927680]

約数ペア:

[(1, 17927680), (2, 8963840), (4, 4481920), (5, 3585536), (8, 2240960), (10, 1792768), (16, 1120480), (20, 896384), (32, 560240), (40, 448192), (47, 381440), (64, 280120), (80, 224096), (94, 190720), (128, 140060), (149, 120320), (160, 112048), (188, 95360), (235, 76288), (256, 70030), (298, 60160), (320, 56024), (376, 47680), (470, 38144), (512, 35015), (596, 30080), (640, 28012), (745, 24064), (752, 23840), (940, 19072), (1192, 15040), (1280, 14006), (1490, 12032), (1504, 11920), (1880, 9536), (2384, 7520), (2560, 7003), (2980, 6016), (3008, 5960), (3760, 4768)]