64744320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{33721}}^1$

素因数の和:33743

約数の個数: 64

約数和(自身を含む): 206378640

約数和(自身を除く): 141634320

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, 320, 384, 480, 640, 960, 1920, 33721, 67442, 101163, 134884, 168605, 202326, 269768, 337210, 404652, 505815, 539536, 674420, 809304, 1011630, 1079072, 1348840, 1618608, 2023260, 2158144, 2697680, 3237216, 4046520, 4316288, 5395360, 6474432, 8093040, 10790720, 12948864, 16186080, 21581440, 32372160, 64744320]

約数ペア:

[(1, 64744320), (2, 32372160), (3, 21581440), (4, 16186080), (5, 12948864), (6, 10790720), (8, 8093040), (10, 6474432), (12, 5395360), (15, 4316288), (16, 4046520), (20, 3237216), (24, 2697680), (30, 2158144), (32, 2023260), (40, 1618608), (48, 1348840), (60, 1079072), (64, 1011630), (80, 809304), (96, 674420), (120, 539536), (128, 505815), (160, 404652), (192, 337210), (240, 269768), (320, 202326), (384, 168605), (480, 134884), (640, 101163), (960, 67442), (1920, 33721)]