81341640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225949}}^1$

素因数の和:225966

約数の個数: 48

約数和(自身を含む): 264361500

約数和(自身を除く): 183019860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225949, 451898, 677847, 903796, 1129745, 1355694, 1807592, 2033541, 2259490, 2711388, 3389235, 4067082, 4518980, 5422776, 6778470, 8134164, 9037960, 10167705, 13556940, 16268328, 20335410, 27113880, 40670820, 81341640]

約数ペア:

[(1, 81341640), (2, 40670820), (3, 27113880), (4, 20335410), (5, 16268328), (6, 13556940), (8, 10167705), (9, 9037960), (10, 8134164), (12, 6778470), (15, 5422776), (18, 4518980), (20, 4067082), (24, 3389235), (30, 2711388), (36, 2259490), (40, 2033541), (45, 1807592), (60, 1355694), (72, 1129745), (90, 903796), (120, 677847), (180, 451898), (360, 225949)]