90116240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 223110720

約数和(自身を除く): 132994480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 505, 587, 760, 808, 1010, 1174, 1520, 1616, 1919, 2020, 2348, 2935, 3838, 4040, 4696, 5870, 7676, 8080, 9392, 9595, 11153, 11740, 15352, 19190, 22306, 23480, 30704, 38380, 44612, 46960, 55765, 59287, 76760, 89224, 111530, 118574, 153520, 178448, 223060, 237148, 296435, 446120, 474296, 592870, 892240, 948592, 1126453, 1185740, 2252906, 2371480, 4505812, 4742960, 5632265, 9011624, 11264530, 18023248, 22529060, 45058120, 90116240]

約数ペア:

[(1, 90116240), (2, 45058120), (4, 22529060), (5, 18023248), (8, 11264530), (10, 9011624), (16, 5632265), (19, 4742960), (20, 4505812), (38, 2371480), (40, 2252906), (76, 1185740), (80, 1126453), (95, 948592), (101, 892240), (152, 592870), (190, 474296), (202, 446120), (304, 296435), (380, 237148), (404, 223060), (505, 178448), (587, 153520), (760, 118574), (808, 111530), (1010, 89224), (1174, 76760), (1520, 59287), (1616, 55765), (1919, 46960), (2020, 44612), (2348, 38380), (2935, 30704), (3838, 23480), (4040, 22306), (4696, 19190), (5870, 15352), (7676, 11740), (8080, 11153), (9392, 9595)]