154265320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31873}}^1$

素因数の和:31906

約数の個数: 48

約数和(自身を含む): 381531780

約数和(自身を除く): 227266460

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 31873, 63746, 127492, 159365, 254984, 318730, 350603, 637460, 701206, 1274920, 1402412, 1753015, 2804824, 3506030, 3856633, 7012060, 7713266, 14024120, 15426532, 19283165, 30853064, 38566330, 77132660, 154265320]

約数ペア:

[(1, 154265320), (2, 77132660), (4, 38566330), (5, 30853064), (8, 19283165), (10, 15426532), (11, 14024120), (20, 7713266), (22, 7012060), (40, 3856633), (44, 3506030), (55, 2804824), (88, 1753015), (110, 1402412), (121, 1274920), (220, 701206), (242, 637460), (440, 350603), (484, 318730), (605, 254984), (968, 159365), (1210, 127492), (2420, 63746), (4840, 31873)]