61661440

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 150111360

約数和(自身を除く): 88449920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 719, 1072, 1280, 1340, 1438, 2144, 2680, 2876, 3595, 4288, 5360, 5752, 7190, 8576, 10720, 11504, 14380, 17152, 21440, 23008, 28760, 42880, 46016, 48173, 57520, 85760, 92032, 96346, 115040, 184064, 192692, 230080, 240865, 385384, 460160, 481730, 770768, 920320, 963460, 1541536, 1926920, 3083072, 3853840, 6166144, 7707680, 12332288, 15415360, 30830720, 61661440]

約数ペア:

[(1, 61661440), (2, 30830720), (4, 15415360), (5, 12332288), (8, 7707680), (10, 6166144), (16, 3853840), (20, 3083072), (32, 1926920), (40, 1541536), (64, 963460), (67, 920320), (80, 770768), (128, 481730), (134, 460160), (160, 385384), (256, 240865), (268, 230080), (320, 192692), (335, 184064), (536, 115040), (640, 96346), (670, 92032), (719, 85760), (1072, 57520), (1280, 48173), (1340, 46016), (1438, 42880), (2144, 28760), (2680, 23008), (2876, 21440), (3595, 17152), (4288, 14380), (5360, 11504), (5752, 10720), (7190, 8576)]