81412920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3833}}^1$

素因数の和:3909

約数の個数: 96

約数和(自身を含む): 269146800

約数和(自身を除く): 187733880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 3540, 3833, 4248, 5310, 7080, 7666, 10620, 11499, 15332, 19165, 21240, 22998, 30664, 34497, 38330, 45996, 57495, 68994, 76660, 91992, 114990, 137988, 153320, 172485, 226147, 229980, 275976, 344970, 452294, 459960, 678441, 689940, 904588, 1130735, 1356882, 1379880, 1809176, 2035323, 2261470, 2713764, 3392205, 4070646, 4522940, 5427528, 6784410, 8141292, 9045880, 10176615, 13568820, 16282584, 20353230, 27137640, 40706460, 81412920]

約数ペア:

[(1, 81412920), (2, 40706460), (3, 27137640), (4, 20353230), (5, 16282584), (6, 13568820), (8, 10176615), (9, 9045880), (10, 8141292), (12, 6784410), (15, 5427528), (18, 4522940), (20, 4070646), (24, 3392205), (30, 2713764), (36, 2261470), (40, 2035323), (45, 1809176), (59, 1379880), (60, 1356882), (72, 1130735), (90, 904588), (118, 689940), (120, 678441), (177, 459960), (180, 452294), (236, 344970), (295, 275976), (354, 229980), (360, 226147), (472, 172485), (531, 153320), (590, 137988), (708, 114990), (885, 91992), (1062, 76660), (1180, 68994), (1416, 57495), (1770, 45996), (2124, 38330), (2360, 34497), (2655, 30664), (3540, 22998), (3833, 21240), (4248, 19165), (5310, 15332), (7080, 11499), (7666, 10620)]