140601520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 346451040

約数和(自身を除く): 205849520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 233, 304, 380, 397, 466, 760, 794, 932, 1165, 1520, 1588, 1864, 1985, 2330, 3176, 3728, 3970, 4427, 4660, 6352, 7543, 7940, 8854, 9320, 15086, 15880, 17708, 18640, 22135, 30172, 31760, 35416, 37715, 44270, 60344, 70832, 75430, 88540, 92501, 120688, 150860, 177080, 185002, 301720, 354160, 370004, 462505, 603440, 740008, 925010, 1480016, 1757519, 1850020, 3515038, 3700040, 7030076, 7400080, 8787595, 14060152, 17575190, 28120304, 35150380, 70300760, 140601520]

約数ペア:

[(1, 140601520), (2, 70300760), (4, 35150380), (5, 28120304), (8, 17575190), (10, 14060152), (16, 8787595), (19, 7400080), (20, 7030076), (38, 3700040), (40, 3515038), (76, 1850020), (80, 1757519), (95, 1480016), (152, 925010), (190, 740008), (233, 603440), (304, 462505), (380, 370004), (397, 354160), (466, 301720), (760, 185002), (794, 177080), (932, 150860), (1165, 120688), (1520, 92501), (1588, 88540), (1864, 75430), (1985, 70832), (2330, 60344), (3176, 44270), (3728, 37715), (3970, 35416), (4427, 31760), (4660, 30172), (6352, 22135), (7543, 18640), (7940, 17708), (8854, 15880), (9320, 15086)]