18309760

素因数分解:

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

素因数の和:154

約数の個数: 128

約数和(自身を含む): 51603840

約数和(自身を除く): 33294080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 67, 70, 80, 112, 122, 128, 134, 140, 160, 224, 244, 268, 280, 305, 320, 335, 427, 448, 469, 488, 536, 560, 610, 640, 670, 854, 896, 938, 976, 1072, 1120, 1220, 1340, 1708, 1876, 1952, 2135, 2144, 2240, 2345, 2440, 2680, 3416, 3752, 3904, 4087, 4270, 4288, 4480, 4690, 4880, 5360, 6832, 7504, 7808, 8174, 8540, 8576, 9380, 9760, 10720, 13664, 15008, 16348, 17080, 18760, 19520, 20435, 21440, 27328, 28609, 30016, 32696, 34160, 37520, 39040, 40870, 42880, 54656, 57218, 60032, 65392, 68320, 75040, 81740, 114436, 130784, 136640, 143045, 150080, 163480, 228872, 261568, 273280, 286090, 300160, 326960, 457744, 523136, 572180, 653920, 915488, 1144360, 1307840, 1830976, 2288720, 2615680, 3661952, 4577440, 9154880, 18309760]

約数ペア:

[(1, 18309760), (2, 9154880), (4, 4577440), (5, 3661952), (7, 2615680), (8, 2288720), (10, 1830976), (14, 1307840), (16, 1144360), (20, 915488), (28, 653920), (32, 572180), (35, 523136), (40, 457744), (56, 326960), (61, 300160), (64, 286090), (67, 273280), (70, 261568), (80, 228872), (112, 163480), (122, 150080), (128, 143045), (134, 136640), (140, 130784), (160, 114436), (224, 81740), (244, 75040), (268, 68320), (280, 65392), (305, 60032), (320, 57218), (335, 54656), (427, 42880), (448, 40870), (469, 39040), (488, 37520), (536, 34160), (560, 32696), (610, 30016), (640, 28609), (670, 27328), (854, 21440), (896, 20435), (938, 19520), (976, 18760), (1072, 17080), (1120, 16348), (1220, 15008), (1340, 13664), (1708, 10720), (1876, 9760), (1952, 9380), (2135, 8576), (2144, 8540), (2240, 8174), (2345, 7808), (2440, 7504), (2680, 6832), (3416, 5360), (3752, 4880), (3904, 4690), (4087, 4480), (4270, 4288)]