1991217060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{526777}}^1$

素因数の和:526802

約数の個数: 96

約数和(自身を含む): 7079896320

約数和(自身を除く): 5088679260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 526777, 1053554, 1580331, 2107108, 2633885, 3160662, 3687439, 4740993, 5267770, 6321324, 7374878, 7901655, 9481986, 10535540, 11062317, 14222979, 14749756, 15803310, 18437195, 18963972, 22124634, 23704965, 28445958, 31606620, 33186951, 36874390, 44249268, 47409930, 55311585, 56891916, 66373902, 71114895, 73748780, 94819860, 99560853, 110623170, 132747804, 142229790, 165934755, 199121706, 221246340, 284459580, 331869510, 398243412, 497804265, 663739020, 995608530, 1991217060]

約数ペア:

[(1, 1991217060), (2, 995608530), (3, 663739020), (4, 497804265), (5, 398243412), (6, 331869510), (7, 284459580), (9, 221246340), (10, 199121706), (12, 165934755), (14, 142229790), (15, 132747804), (18, 110623170), (20, 99560853), (21, 94819860), (27, 73748780), (28, 71114895), (30, 66373902), (35, 56891916), (36, 55311585), (42, 47409930), (45, 44249268), (54, 36874390), (60, 33186951), (63, 31606620), (70, 28445958), (84, 23704965), (90, 22124634), (105, 18963972), (108, 18437195), (126, 15803310), (135, 14749756), (140, 14222979), (180, 11062317), (189, 10535540), (210, 9481986), (252, 7901655), (270, 7374878), (315, 6321324), (378, 5267770), (420, 4740993), (540, 3687439), (630, 3160662), (756, 2633885), (945, 2107108), (1260, 1580331), (1890, 1053554), (3780, 526777)]