80717120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 112

約数和(自身を含む): 219017088

約数和(自身を除く): 138299968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 920, 997, 1012, 1265, 1472, 1760, 1840, 1994, 2024, 2530, 3520, 3680, 3988, 4048, 4985, 5060, 7360, 7976, 8096, 9970, 10120, 10967, 15952, 16192, 19940, 20240, 21934, 22931, 31904, 39880, 40480, 43868, 45862, 54835, 63808, 79760, 80960, 87736, 91724, 109670, 114655, 159520, 175472, 183448, 219340, 229310, 252241, 319040, 350944, 366896, 438680, 458620, 504482, 701888, 733792, 877360, 917240, 1008964, 1261205, 1467584, 1754720, 1834480, 2017928, 2522410, 3509440, 3668960, 4035856, 5044820, 7337920, 8071712, 10089640, 16143424, 20179280, 40358560, 80717120]

約数ペア:

[(1, 80717120), (2, 40358560), (4, 20179280), (5, 16143424), (8, 10089640), (10, 8071712), (11, 7337920), (16, 5044820), (20, 4035856), (22, 3668960), (23, 3509440), (32, 2522410), (40, 2017928), (44, 1834480), (46, 1754720), (55, 1467584), (64, 1261205), (80, 1008964), (88, 917240), (92, 877360), (110, 733792), (115, 701888), (160, 504482), (176, 458620), (184, 438680), (220, 366896), (230, 350944), (253, 319040), (320, 252241), (352, 229310), (368, 219340), (440, 183448), (460, 175472), (506, 159520), (704, 114655), (736, 109670), (880, 91724), (920, 87736), (997, 80960), (1012, 79760), (1265, 63808), (1472, 54835), (1760, 45862), (1840, 43868), (1994, 40480), (2024, 39880), (2530, 31904), (3520, 22931), (3680, 21934), (3988, 20240), (4048, 19940), (4985, 16192), (5060, 15952), (7360, 10967), (7976, 10120), (8096, 9970)]