258959120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 120

約数和(自身を含む): 723310848

約数和(自身を除く): 464351728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2131, 2170, 2480, 3038, 3472, 3920, 4262, 4340, 6076, 7595, 8524, 8680, 10655, 12152, 14917, 15190, 17048, 17360, 21310, 24304, 29834, 30380, 34096, 42620, 59668, 60760, 66061, 74585, 85240, 104419, 119336, 121520, 132122, 149170, 170480, 208838, 238672, 264244, 298340, 330305, 417676, 462427, 522095, 528488, 596680, 660610, 835352, 924854, 1044190, 1056976, 1193360, 1321220, 1670704, 1849708, 2088380, 2312135, 2642440, 3236989, 3699416, 4176760, 4624270, 5284880, 6473978, 7398832, 8353520, 9248540, 12947956, 16184945, 18497080, 25895912, 32369890, 36994160, 51791824, 64739780, 129479560, 258959120]

約数ペア:

[(1, 258959120), (2, 129479560), (4, 64739780), (5, 51791824), (7, 36994160), (8, 32369890), (10, 25895912), (14, 18497080), (16, 16184945), (20, 12947956), (28, 9248540), (31, 8353520), (35, 7398832), (40, 6473978), (49, 5284880), (56, 4624270), (62, 4176760), (70, 3699416), (80, 3236989), (98, 2642440), (112, 2312135), (124, 2088380), (140, 1849708), (155, 1670704), (196, 1321220), (217, 1193360), (245, 1056976), (248, 1044190), (280, 924854), (310, 835352), (392, 660610), (434, 596680), (490, 528488), (496, 522095), (560, 462427), (620, 417676), (784, 330305), (868, 298340), (980, 264244), (1085, 238672), (1240, 208838), (1519, 170480), (1736, 149170), (1960, 132122), (2131, 121520), (2170, 119336), (2480, 104419), (3038, 85240), (3472, 74585), (3920, 66061), (4262, 60760), (4340, 59668), (6076, 42620), (7595, 34096), (8524, 30380), (8680, 29834), (10655, 24304), (12152, 21310), (14917, 17360), (15190, 17048)]