1781948960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{2029}}^1$

素因数の和:2554

約数の個数: 96

約数和(自身を含む): 4604040000

約数和(自身を除く): 2822091040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 499, 880, 998, 1760, 1996, 2029, 2495, 3992, 4058, 4990, 5489, 7984, 8116, 9980, 10145, 10978, 15968, 16232, 19960, 20290, 21956, 22319, 27445, 32464, 39920, 40580, 43912, 44638, 54890, 64928, 79840, 81160, 87824, 89276, 109780, 111595, 162320, 175648, 178552, 219560, 223190, 324640, 357104, 439120, 446380, 714208, 878240, 892760, 1012471, 1785520, 2024942, 3571040, 4049884, 5062355, 8099768, 10124710, 11137181, 16199536, 20249420, 22274362, 32399072, 40498840, 44548724, 55685905, 80997680, 89097448, 111371810, 161995360, 178194896, 222743620, 356389792, 445487240, 890974480, 1781948960]

約数ペア:

[(1, 1781948960), (2, 890974480), (4, 445487240), (5, 356389792), (8, 222743620), (10, 178194896), (11, 161995360), (16, 111371810), (20, 89097448), (22, 80997680), (32, 55685905), (40, 44548724), (44, 40498840), (55, 32399072), (80, 22274362), (88, 20249420), (110, 16199536), (160, 11137181), (176, 10124710), (220, 8099768), (352, 5062355), (440, 4049884), (499, 3571040), (880, 2024942), (998, 1785520), (1760, 1012471), (1996, 892760), (2029, 878240), (2495, 714208), (3992, 446380), (4058, 439120), (4990, 357104), (5489, 324640), (7984, 223190), (8116, 219560), (9980, 178552), (10145, 175648), (10978, 162320), (15968, 111595), (16232, 109780), (19960, 89276), (20290, 87824), (21956, 81160), (22319, 79840), (27445, 64928), (32464, 54890), (39920, 44638), (40580, 43912)]