21775440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90731}}^1$

素因数の和:90747

約数の個数: 40

約数和(自身を含む): 67504608

約数和(自身を除く): 45729168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90731, 181462, 272193, 362924, 453655, 544386, 725848, 907310, 1088772, 1360965, 1451696, 1814620, 2177544, 2721930, 3629240, 4355088, 5443860, 7258480, 10887720, 21775440]

約数ペア:

[(1, 21775440), (2, 10887720), (3, 7258480), (4, 5443860), (5, 4355088), (6, 3629240), (8, 2721930), (10, 2177544), (12, 1814620), (15, 1451696), (16, 1360965), (20, 1088772), (24, 907310), (30, 725848), (40, 544386), (48, 453655), (60, 362924), (80, 272193), (120, 181462), (240, 90731)]