77506780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 184095072

約数和(自身を除く): 106588292

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 997, 1196, 1495, 1690, 1994, 2990, 3380, 3887, 3988, 4985, 5980, 7774, 9970, 12961, 15548, 19435, 19940, 22931, 25922, 38870, 45862, 51844, 64805, 77740, 91724, 114655, 129610, 168493, 229310, 259220, 298103, 336986, 458620, 596206, 673972, 842465, 1192412, 1490515, 1684930, 2981030, 3369860, 3875339, 5962060, 7750678, 15501356, 19376695, 38753390, 77506780]

約数ペア:

[(1, 77506780), (2, 38753390), (4, 19376695), (5, 15501356), (10, 7750678), (13, 5962060), (20, 3875339), (23, 3369860), (26, 2981030), (46, 1684930), (52, 1490515), (65, 1192412), (92, 842465), (115, 673972), (130, 596206), (169, 458620), (230, 336986), (260, 298103), (299, 259220), (338, 229310), (460, 168493), (598, 129610), (676, 114655), (845, 91724), (997, 77740), (1196, 64805), (1495, 51844), (1690, 45862), (1994, 38870), (2990, 25922), (3380, 22931), (3887, 19940), (3988, 19435), (4985, 15548), (5980, 12961), (7774, 9970)]