840443568

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1999}}^1$

素因数の和:2490

約数の個数: 80

約数和(自身を含む): 2291520000

約数和(自身を除く): 1451076432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 461, 912, 922, 1383, 1844, 1999, 2766, 3688, 3998, 5532, 5997, 7376, 7996, 8759, 11064, 11994, 15992, 17518, 22128, 23988, 26277, 31984, 35036, 37981, 47976, 52554, 70072, 75962, 95952, 105108, 113943, 140144, 151924, 210216, 227886, 303848, 420432, 455772, 607696, 911544, 921539, 1823088, 1843078, 2764617, 3686156, 5529234, 7372312, 11058468, 14744624, 17509241, 22116936, 35018482, 44233872, 52527723, 70036964, 105055446, 140073928, 210110892, 280147856, 420221784, 840443568]

約数ペア:

[(1, 840443568), (2, 420221784), (3, 280147856), (4, 210110892), (6, 140073928), (8, 105055446), (12, 70036964), (16, 52527723), (19, 44233872), (24, 35018482), (38, 22116936), (48, 17509241), (57, 14744624), (76, 11058468), (114, 7372312), (152, 5529234), (228, 3686156), (304, 2764617), (456, 1843078), (461, 1823088), (912, 921539), (922, 911544), (1383, 607696), (1844, 455772), (1999, 420432), (2766, 303848), (3688, 227886), (3998, 210216), (5532, 151924), (5997, 140144), (7376, 113943), (7996, 105108), (8759, 95952), (11064, 75962), (11994, 70072), (15992, 52554), (17518, 47976), (22128, 37981), (23988, 35036), (26277, 31984)]