2288720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 6273408

約数和(自身を除く): 3984688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 67, 70, 80, 112, 122, 134, 140, 244, 268, 280, 305, 335, 427, 469, 488, 536, 560, 610, 670, 854, 938, 976, 1072, 1220, 1340, 1708, 1876, 2135, 2345, 2440, 2680, 3416, 3752, 4087, 4270, 4690, 4880, 5360, 6832, 7504, 8174, 8540, 9380, 16348, 17080, 18760, 20435, 28609, 32696, 34160, 37520, 40870, 57218, 65392, 81740, 114436, 143045, 163480, 228872, 286090, 326960, 457744, 572180, 1144360, 2288720]

約数ペア:

[(1, 2288720), (2, 1144360), (4, 572180), (5, 457744), (7, 326960), (8, 286090), (10, 228872), (14, 163480), (16, 143045), (20, 114436), (28, 81740), (35, 65392), (40, 57218), (56, 40870), (61, 37520), (67, 34160), (70, 32696), (80, 28609), (112, 20435), (122, 18760), (134, 17080), (140, 16348), (244, 9380), (268, 8540), (280, 8174), (305, 7504), (335, 6832), (427, 5360), (469, 4880), (488, 4690), (536, 4270), (560, 4087), (610, 3752), (670, 3416), (854, 2680), (938, 2440), (976, 2345), (1072, 2135), (1220, 1876), (1340, 1708)]