640877448

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{14489}}^1$

素因数の和:14614

約数の個数: 64

約数和(自身を含む): 1704024000

約数和(自身を除く): 1063146552

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 97, 114, 152, 194, 228, 291, 388, 456, 582, 776, 1164, 1843, 2328, 3686, 5529, 7372, 11058, 14489, 14744, 22116, 28978, 43467, 44232, 57956, 86934, 115912, 173868, 275291, 347736, 550582, 825873, 1101164, 1405433, 1651746, 2202328, 2810866, 3303492, 4216299, 5621732, 6606984, 8432598, 11243464, 16865196, 26703227, 33730392, 53406454, 80109681, 106812908, 160219362, 213625816, 320438724, 640877448]

約数ペア:

[(1, 640877448), (2, 320438724), (3, 213625816), (4, 160219362), (6, 106812908), (8, 80109681), (12, 53406454), (19, 33730392), (24, 26703227), (38, 16865196), (57, 11243464), (76, 8432598), (97, 6606984), (114, 5621732), (152, 4216299), (194, 3303492), (228, 2810866), (291, 2202328), (388, 1651746), (456, 1405433), (582, 1101164), (776, 825873), (1164, 550582), (1843, 347736), (2328, 275291), (3686, 173868), (5529, 115912), (7372, 86934), (11058, 57956), (14489, 44232), (14744, 43467), (22116, 28978)]