64680980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5077}}^1$

素因数の和:5113

約数の個数: 72

約数和(自身を含む): 170194248

約数和(自身を除く): 105513268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 5077, 6370, 10154, 12740, 20308, 25385, 35539, 50770, 66001, 71078, 101540, 132002, 142156, 177695, 248773, 264004, 330005, 355390, 462007, 497546, 660010, 710780, 924014, 995092, 1243865, 1320020, 1848028, 2310035, 2487730, 3234049, 4620070, 4975460, 6468098, 9240140, 12936196, 16170245, 32340490, 64680980]

約数ペア:

[(1, 64680980), (2, 32340490), (4, 16170245), (5, 12936196), (7, 9240140), (10, 6468098), (13, 4975460), (14, 4620070), (20, 3234049), (26, 2487730), (28, 2310035), (35, 1848028), (49, 1320020), (52, 1243865), (65, 995092), (70, 924014), (91, 710780), (98, 660010), (130, 497546), (140, 462007), (182, 355390), (196, 330005), (245, 264004), (260, 248773), (364, 177695), (455, 142156), (490, 132002), (637, 101540), (910, 71078), (980, 66001), (1274, 50770), (1820, 35539), (2548, 25385), (3185, 20308), (5077, 12740), (6370, 10154)]