64151080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1163}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 165939840

約数和(自身を除く): 101788760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1163, 1379, 1576, 1970, 2326, 2758, 3940, 4652, 5516, 5815, 6895, 7880, 8141, 9304, 11032, 11630, 13790, 16282, 23260, 27580, 32564, 40705, 46520, 55160, 65128, 81410, 162820, 229111, 325640, 458222, 916444, 1145555, 1603777, 1832888, 2291110, 3207554, 4582220, 6415108, 8018885, 9164440, 12830216, 16037770, 32075540, 64151080]

約数ペア:

[(1, 64151080), (2, 32075540), (4, 16037770), (5, 12830216), (7, 9164440), (8, 8018885), (10, 6415108), (14, 4582220), (20, 3207554), (28, 2291110), (35, 1832888), (40, 1603777), (56, 1145555), (70, 916444), (140, 458222), (197, 325640), (280, 229111), (394, 162820), (788, 81410), (985, 65128), (1163, 55160), (1379, 46520), (1576, 40705), (1970, 32564), (2326, 27580), (2758, 23260), (3940, 16282), (4652, 13790), (5516, 11630), (5815, 11032), (6895, 9304), (7880, 8141)]