77996680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5038

約数の個数: 64

約数和(自身を含む): 193933440

約数和(自身を除く): 115936760

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, 4987, 7820, 9974, 15640, 19948, 24935, 39896, 49870, 84779, 99740, 114701, 169558, 199480, 229402, 339116, 423895, 458804, 573505, 678232, 847790, 917608, 1147010, 1695580, 1949917, 2294020, 3391160, 3899834, 4588040, 7799668, 9749585, 15599336, 19499170, 38998340, 77996680]

約数ペア:

[(1, 77996680), (2, 38998340), (4, 19499170), (5, 15599336), (8, 9749585), (10, 7799668), (17, 4588040), (20, 3899834), (23, 3391160), (34, 2294020), (40, 1949917), (46, 1695580), (68, 1147010), (85, 917608), (92, 847790), (115, 678232), (136, 573505), (170, 458804), (184, 423895), (230, 339116), (340, 229402), (391, 199480), (460, 169558), (680, 114701), (782, 99740), (920, 84779), (1564, 49870), (1955, 39896), (3128, 24935), (3910, 19948), (4987, 15640), (7820, 9974)]