15521640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{129347}}^1$

素因数の和:129361

約数の個数: 32

約数和(自身を含む): 46565280

約数和(自身を除く): 31043640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 129347, 258694, 388041, 517388, 646735, 776082, 1034776, 1293470, 1552164, 1940205, 2586940, 3104328, 3880410, 5173880, 7760820, 15521640]

約数ペア:

[(1, 15521640), (2, 7760820), (3, 5173880), (4, 3880410), (5, 3104328), (6, 2586940), (8, 1940205), (10, 1552164), (12, 1293470), (15, 1034776), (20, 776082), (24, 646735), (30, 517388), (40, 388041), (60, 258694), (120, 129347)]