72156640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15551}}^1$

素因数の和:15595

約数の個数: 48

約数和(自身を含む): 176359680

約数和(自身を除く): 104203040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 450979, 497632, 622040, 901958, 1244080, 1803916, 2254895, 2488160, 3607832, 4509790, 7215664, 9019580, 14431328, 18039160, 36078320, 72156640]

約数ペア:

[(1, 72156640), (2, 36078320), (4, 18039160), (5, 14431328), (8, 9019580), (10, 7215664), (16, 4509790), (20, 3607832), (29, 2488160), (32, 2254895), (40, 1803916), (58, 1244080), (80, 901958), (116, 622040), (145, 497632), (160, 450979), (232, 311020), (290, 248816), (464, 155510), (580, 124408), (928, 77755), (1160, 62204), (2320, 31102), (4640, 15551)]