12872860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 36352512

約数和(自身を除く): 23479652

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 643, 715, 770, 910, 1001, 1286, 1430, 1540, 1820, 2002, 2572, 2860, 3215, 4004, 4501, 5005, 6430, 7073, 8359, 9002, 10010, 12860, 14146, 16718, 18004, 20020, 22505, 28292, 33436, 35365, 41795, 45010, 49511, 58513, 70730, 83590, 90020, 91949, 99022, 117026, 141460, 167180, 183898, 198044, 234052, 247555, 292565, 367796, 459745, 495110, 585130, 643643, 919490, 990220, 1170260, 1287286, 1838980, 2574572, 3218215, 6436430, 12872860]

約数ペア:

[(1, 12872860), (2, 6436430), (4, 3218215), (5, 2574572), (7, 1838980), (10, 1287286), (11, 1170260), (13, 990220), (14, 919490), (20, 643643), (22, 585130), (26, 495110), (28, 459745), (35, 367796), (44, 292565), (52, 247555), (55, 234052), (65, 198044), (70, 183898), (77, 167180), (91, 141460), (110, 117026), (130, 99022), (140, 91949), (143, 90020), (154, 83590), (182, 70730), (220, 58513), (260, 49511), (286, 45010), (308, 41795), (364, 35365), (385, 33436), (455, 28292), (572, 22505), (643, 20020), (715, 18004), (770, 16718), (910, 14146), (1001, 12860), (1286, 10010), (1430, 9002), (1540, 8359), (1820, 7073), (2002, 6430), (2572, 5005), (2860, 4501), (3215, 4004)]