165639440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 397742400

約数和(自身を除く): 232102960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 179, 215, 269, 344, 358, 430, 538, 688, 716, 860, 895, 1076, 1345, 1432, 1720, 1790, 2152, 2690, 2864, 3440, 3580, 4304, 5380, 7160, 7697, 10760, 11567, 14320, 15394, 21520, 23134, 30788, 38485, 46268, 48151, 57835, 61576, 76970, 92536, 96302, 115670, 123152, 153940, 185072, 192604, 231340, 240755, 307880, 385208, 462680, 481510, 615760, 770416, 925360, 963020, 1926040, 2070493, 3852080, 4140986, 8281972, 10352465, 16563944, 20704930, 33127888, 41409860, 82819720, 165639440]

約数ペア:

[(1, 165639440), (2, 82819720), (4, 41409860), (5, 33127888), (8, 20704930), (10, 16563944), (16, 10352465), (20, 8281972), (40, 4140986), (43, 3852080), (80, 2070493), (86, 1926040), (172, 963020), (179, 925360), (215, 770416), (269, 615760), (344, 481510), (358, 462680), (430, 385208), (538, 307880), (688, 240755), (716, 231340), (860, 192604), (895, 185072), (1076, 153940), (1345, 123152), (1432, 115670), (1720, 96302), (1790, 92536), (2152, 76970), (2690, 61576), (2864, 57835), (3440, 48151), (3580, 46268), (4304, 38485), (5380, 30788), (7160, 23134), (7697, 21520), (10760, 15394), (11567, 14320)]