18267680

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28180960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 127, 145, 155, 160, 232, 248, 254, 290, 310, 464, 496, 508, 580, 620, 635, 899, 928, 992, 1016, 1160, 1240, 1270, 1798, 2032, 2320, 2480, 2540, 3596, 3683, 3937, 4064, 4495, 4640, 4960, 5080, 7192, 7366, 7874, 8990, 10160, 14384, 14732, 15748, 17980, 18415, 19685, 20320, 28768, 29464, 31496, 35960, 36830, 39370, 58928, 62992, 71920, 73660, 78740, 114173, 117856, 125984, 143840, 147320, 157480, 228346, 294640, 314960, 456692, 570865, 589280, 629920, 913384, 1141730, 1826768, 2283460, 3653536, 4566920, 9133840, 18267680]

約数ペア:

[(1, 18267680), (2, 9133840), (4, 4566920), (5, 3653536), (8, 2283460), (10, 1826768), (16, 1141730), (20, 913384), (29, 629920), (31, 589280), (32, 570865), (40, 456692), (58, 314960), (62, 294640), (80, 228346), (116, 157480), (124, 147320), (127, 143840), (145, 125984), (155, 117856), (160, 114173), (232, 78740), (248, 73660), (254, 71920), (290, 62992), (310, 58928), (464, 39370), (496, 36830), (508, 35960), (580, 31496), (620, 29464), (635, 28768), (899, 20320), (928, 19685), (992, 18415), (1016, 17980), (1160, 15748), (1240, 14732), (1270, 14384), (1798, 10160), (2032, 8990), (2320, 7874), (2480, 7366), (2540, 7192), (3596, 5080), (3683, 4960), (3937, 4640), (4064, 4495)]