138620720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14561}}^1$

素因数の和:14598

約数の個数: 80

約数和(自身を含む): 390028608

約数和(自身を除く): 251407888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 14561, 29122, 58244, 72805, 101927, 116488, 145610, 203854, 232976, 247537, 291220, 407708, 495074, 509635, 582440, 815416, 990148, 1019270, 1164880, 1237685, 1630832, 1732759, 1980296, 2038540, 2475370, 3465518, 3960592, 4077080, 4950740, 6931036, 8154160, 8663795, 9901480, 13862072, 17327590, 19802960, 27724144, 34655180, 69310360, 138620720]

約数ペア:

[(1, 138620720), (2, 69310360), (4, 34655180), (5, 27724144), (7, 19802960), (8, 17327590), (10, 13862072), (14, 9901480), (16, 8663795), (17, 8154160), (20, 6931036), (28, 4950740), (34, 4077080), (35, 3960592), (40, 3465518), (56, 2475370), (68, 2038540), (70, 1980296), (80, 1732759), (85, 1630832), (112, 1237685), (119, 1164880), (136, 1019270), (140, 990148), (170, 815416), (238, 582440), (272, 509635), (280, 495074), (340, 407708), (476, 291220), (560, 247537), (595, 232976), (680, 203854), (952, 145610), (1190, 116488), (1360, 101927), (1904, 72805), (2380, 58244), (4760, 29122), (9520, 14561)]