168976040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 420249600

約数和(自身を除く): 251273560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 37, 40, 58, 62, 74, 116, 124, 127, 145, 148, 155, 185, 232, 248, 254, 290, 296, 310, 370, 508, 580, 620, 635, 740, 899, 1016, 1073, 1147, 1160, 1240, 1270, 1480, 1798, 2146, 2294, 2540, 3596, 3683, 3937, 4292, 4495, 4588, 4699, 5080, 5365, 5735, 7192, 7366, 7874, 8584, 8990, 9176, 9398, 10730, 11470, 14732, 15748, 17980, 18415, 18796, 19685, 21460, 22940, 23495, 29464, 31496, 33263, 35960, 36830, 37592, 39370, 42920, 45880, 46990, 66526, 73660, 78740, 93980, 114173, 133052, 136271, 145669, 147320, 157480, 166315, 187960, 228346, 266104, 272542, 291338, 332630, 456692, 545084, 570865, 582676, 665260, 681355, 728345, 913384, 1090168, 1141730, 1165352, 1330520, 1362710, 1456690, 2283460, 2725420, 2913380, 4224401, 4566920, 5450840, 5826760, 8448802, 16897604, 21122005, 33795208, 42244010, 84488020, 168976040]

約数ペア:

[(1, 168976040), (2, 84488020), (4, 42244010), (5, 33795208), (8, 21122005), (10, 16897604), (20, 8448802), (29, 5826760), (31, 5450840), (37, 4566920), (40, 4224401), (58, 2913380), (62, 2725420), (74, 2283460), (116, 1456690), (124, 1362710), (127, 1330520), (145, 1165352), (148, 1141730), (155, 1090168), (185, 913384), (232, 728345), (248, 681355), (254, 665260), (290, 582676), (296, 570865), (310, 545084), (370, 456692), (508, 332630), (580, 291338), (620, 272542), (635, 266104), (740, 228346), (899, 187960), (1016, 166315), (1073, 157480), (1147, 147320), (1160, 145669), (1240, 136271), (1270, 133052), (1480, 114173), (1798, 93980), (2146, 78740), (2294, 73660), (2540, 66526), (3596, 46990), (3683, 45880), (3937, 42920), (4292, 39370), (4495, 37592), (4588, 36830), (4699, 35960), (5080, 33263), (5365, 31496), (5735, 29464), (7192, 23495), (7366, 22940), (7874, 21460), (8584, 19685), (8990, 18796), (9176, 18415), (9398, 17980), (10730, 15748), (11470, 14732)]