56215980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{312311}}^1$

素因数の和:312326

約数の個数: 36

約数和(自身を含む): 170522352

約数和(自身を除く): 114306372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 312311, 624622, 936933, 1249244, 1561555, 1873866, 2810799, 3123110, 3747732, 4684665, 5621598, 6246220, 9369330, 11243196, 14053995, 18738660, 28107990, 56215980]

約数ペア:

[(1, 56215980), (2, 28107990), (3, 18738660), (4, 14053995), (5, 11243196), (6, 9369330), (9, 6246220), (10, 5621598), (12, 4684665), (15, 3747732), (18, 3123110), (20, 2810799), (30, 1873866), (36, 1561555), (45, 1249244), (60, 936933), (90, 624622), (180, 312311)]