40448640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21067}}^1$

素因数の和:21089

約数の個数: 64

約数和(自身を含む): 128936160

約数和(自身を除く): 88487520

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, 21067, 42134, 63201, 84268, 105335, 126402, 168536, 210670, 252804, 316005, 337072, 421340, 505608, 632010, 674144, 842680, 1011216, 1264020, 1348288, 1685360, 2022432, 2528040, 2696576, 3370720, 4044864, 5056080, 6741440, 8089728, 10112160, 13482880, 20224320, 40448640]

約数ペア:

[(1, 40448640), (2, 20224320), (3, 13482880), (4, 10112160), (5, 8089728), (6, 6741440), (8, 5056080), (10, 4044864), (12, 3370720), (15, 2696576), (16, 2528040), (20, 2022432), (24, 1685360), (30, 1348288), (32, 1264020), (40, 1011216), (48, 842680), (60, 674144), (64, 632010), (80, 505608), (96, 421340), (120, 337072), (128, 316005), (160, 252804), (192, 210670), (240, 168536), (320, 126402), (384, 105335), (480, 84268), (640, 63201), (960, 42134), (1920, 21067)]