77931880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2053}}^1$

素因数の和:2150

約数の個数: 64

約数和(自身を含む): 191514960

約数和(自身を除く): 113583080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2053, 2920, 3796, 4106, 4745, 7592, 8212, 9490, 10265, 16424, 18980, 20530, 26689, 37960, 41060, 53378, 82120, 106756, 133445, 149869, 213512, 266890, 299738, 533780, 599476, 749345, 1067560, 1198952, 1498690, 1948297, 2997380, 3896594, 5994760, 7793188, 9741485, 15586376, 19482970, 38965940, 77931880]

約数ペア:

[(1, 77931880), (2, 38965940), (4, 19482970), (5, 15586376), (8, 9741485), (10, 7793188), (13, 5994760), (20, 3896594), (26, 2997380), (40, 1948297), (52, 1498690), (65, 1198952), (73, 1067560), (104, 749345), (130, 599476), (146, 533780), (260, 299738), (292, 266890), (365, 213512), (520, 149869), (584, 133445), (730, 106756), (949, 82120), (1460, 53378), (1898, 41060), (2053, 37960), (2920, 26689), (3796, 20530), (4106, 18980), (4745, 16424), (7592, 10265), (8212, 9490)]