1279223040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{333131}}^1$

素因数の和:333155

約数の個数: 72

約数和(自身を含む): 4085530848

約数和(自身を除く): 2806307808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 333131, 666262, 999393, 1332524, 1665655, 1998786, 2665048, 3331310, 3997572, 4996965, 5330096, 6662620, 7995144, 9993930, 10660192, 13325240, 15990288, 19987860, 21320384, 26650480, 31980576, 39975720, 42640768, 53300960, 63961152, 79951440, 85281536, 106601920, 127922304, 159902880, 213203840, 255844608, 319805760, 426407680, 639611520, 1279223040]

約数ペア:

[(1, 1279223040), (2, 639611520), (3, 426407680), (4, 319805760), (5, 255844608), (6, 213203840), (8, 159902880), (10, 127922304), (12, 106601920), (15, 85281536), (16, 79951440), (20, 63961152), (24, 53300960), (30, 42640768), (32, 39975720), (40, 31980576), (48, 26650480), (60, 21320384), (64, 19987860), (80, 15990288), (96, 13325240), (120, 10660192), (128, 9993930), (160, 7995144), (192, 6662620), (240, 5330096), (256, 4996965), (320, 3997572), (384, 3331310), (480, 2665048), (640, 1998786), (768, 1665655), (960, 1332524), (1280, 999393), (1920, 666262), (3840, 333131)]