30830720

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 74908800

約数和(自身を除く): 44078080

約数列:

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

約数ペア:

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