28688760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79691}}^1$

素因数の和:79708

約数の個数: 48

約数和(自身を含む): 93239640

約数和(自身を除く): 64550880

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, 79691, 159382, 239073, 318764, 398455, 478146, 637528, 717219, 796910, 956292, 1195365, 1434438, 1593820, 1912584, 2390730, 2868876, 3187640, 3586095, 4781460, 5737752, 7172190, 9562920, 14344380, 28688760]

約数ペア:

[(1, 28688760), (2, 14344380), (3, 9562920), (4, 7172190), (5, 5737752), (6, 4781460), (8, 3586095), (9, 3187640), (10, 2868876), (12, 2390730), (15, 1912584), (18, 1593820), (20, 1434438), (24, 1195365), (30, 956292), (36, 796910), (40, 717219), (45, 637528), (60, 478146), (72, 398455), (90, 318764), (120, 239073), (180, 159382), (360, 79691)]