81623080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26501}}^1$

素因数の和:26530

約数の個数: 64

約数和(自身を含む): 228977280

約数和(自身を除く): 147354200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26501, 53002, 106004, 132505, 185507, 212008, 265010, 291511, 371014, 530020, 583022, 742028, 927535, 1060040, 1166044, 1457555, 1484056, 1855070, 2040577, 2332088, 2915110, 3710140, 4081154, 5830220, 7420280, 8162308, 10202885, 11660440, 16324616, 20405770, 40811540, 81623080]

約数ペア:

[(1, 81623080), (2, 40811540), (4, 20405770), (5, 16324616), (7, 11660440), (8, 10202885), (10, 8162308), (11, 7420280), (14, 5830220), (20, 4081154), (22, 3710140), (28, 2915110), (35, 2332088), (40, 2040577), (44, 1855070), (55, 1484056), (56, 1457555), (70, 1166044), (77, 1060040), (88, 927535), (110, 742028), (140, 583022), (154, 530020), (220, 371014), (280, 291511), (308, 265010), (385, 212008), (440, 185507), (616, 132505), (770, 106004), (1540, 53002), (3080, 26501)]