136128760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^2\times {\mathrm{211}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 310183560

約数和(自身を除く): 174054800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 211, 254, 422, 508, 635, 844, 1016, 1055, 1270, 1688, 2110, 2540, 4220, 5080, 8440, 16129, 26797, 32258, 53594, 64516, 80645, 107188, 129032, 133985, 161290, 214376, 267970, 322580, 535940, 645160, 1071880, 3403219, 6806438, 13612876, 17016095, 27225752, 34032190, 68064380, 136128760]

約数ペア:

[(1, 136128760), (2, 68064380), (4, 34032190), (5, 27225752), (8, 17016095), (10, 13612876), (20, 6806438), (40, 3403219), (127, 1071880), (211, 645160), (254, 535940), (422, 322580), (508, 267970), (635, 214376), (844, 161290), (1016, 133985), (1055, 129032), (1270, 107188), (1688, 80645), (2110, 64516), (2540, 53594), (4220, 32258), (5080, 26797), (8440, 16129)]