77683880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4967}}^1$

素因数の和:5018

約数の個数: 64

約数和(自身を含む): 193155840

約数和(自身を除く): 115471960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 4967, 7820, 9934, 15640, 19868, 24835, 39736, 49670, 84439, 99340, 114241, 168878, 198680, 228482, 337756, 422195, 456964, 571205, 675512, 844390, 913928, 1142410, 1688780, 1942097, 2284820, 3377560, 3884194, 4569640, 7768388, 9710485, 15536776, 19420970, 38841940, 77683880]

約数ペア:

[(1, 77683880), (2, 38841940), (4, 19420970), (5, 15536776), (8, 9710485), (10, 7768388), (17, 4569640), (20, 3884194), (23, 3377560), (34, 2284820), (40, 1942097), (46, 1688780), (68, 1142410), (85, 913928), (92, 844390), (115, 675512), (136, 571205), (170, 456964), (184, 422195), (230, 337756), (340, 228482), (391, 198680), (460, 168878), (680, 114241), (782, 99340), (920, 84439), (1564, 49670), (1955, 39736), (3128, 24835), (3910, 19868), (4967, 15640), (7820, 9934)]