231696640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 144

約数和(自身を含む): 668142720

約数和(自身を除く): 436446080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1361, 1520, 1792, 2128, 2240, 2432, 2660, 2722, 3040, 4256, 4480, 4864, 5320, 5444, 6080, 6805, 8512, 8960, 9527, 10640, 10888, 12160, 13610, 17024, 19054, 21280, 21776, 24320, 25859, 27220, 34048, 38108, 42560, 43552, 47635, 51718, 54440, 76216, 85120, 87104, 95270, 103436, 108880, 129295, 152432, 170240, 174208, 181013, 190540, 206872, 217760, 258590, 304864, 348416, 362026, 381080, 413744, 435520, 517180, 609728, 724052, 762160, 827488, 871040, 905065, 1034360, 1219456, 1448104, 1524320, 1654976, 1742080, 1810130, 2068720, 2438912, 2896208, 3048640, 3309952, 3620260, 4137440, 5792416, 6097280, 6619904, 7240520, 8274880, 11584832, 12194560, 14481040, 16549760, 23169664, 28962080, 33099520, 46339328, 57924160, 115848320, 231696640]

約数ペア:

[(1, 231696640), (2, 115848320), (4, 57924160), (5, 46339328), (7, 33099520), (8, 28962080), (10, 23169664), (14, 16549760), (16, 14481040), (19, 12194560), (20, 11584832), (28, 8274880), (32, 7240520), (35, 6619904), (38, 6097280), (40, 5792416), (56, 4137440), (64, 3620260), (70, 3309952), (76, 3048640), (80, 2896208), (95, 2438912), (112, 2068720), (128, 1810130), (133, 1742080), (140, 1654976), (152, 1524320), (160, 1448104), (190, 1219456), (224, 1034360), (256, 905065), (266, 871040), (280, 827488), (304, 762160), (320, 724052), (380, 609728), (448, 517180), (532, 435520), (560, 413744), (608, 381080), (640, 362026), (665, 348416), (760, 304864), (896, 258590), (1064, 217760), (1120, 206872), (1216, 190540), (1280, 181013), (1330, 174208), (1361, 170240), (1520, 152432), (1792, 129295), (2128, 108880), (2240, 103436), (2432, 95270), (2660, 87104), (2722, 85120), (3040, 76216), (4256, 54440), (4480, 51718), (4864, 47635), (5320, 43552), (5444, 42560), (6080, 38108), (6805, 34048), (8512, 27220), (8960, 25859), (9527, 24320), (10640, 21776), (10888, 21280), (12160, 19054), (13610, 17024)]