2180859520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25621}}^1$

素因数の和:25666

約数の個数: 128

約数和(自身を含む): 6272265600

約数和(自身を除く): 4091406080

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, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 5320, 6080, 8512, 10640, 12160, 17024, 21280, 25621, 42560, 51242, 85120, 102484, 128105, 179347, 204968, 256210, 358694, 409936, 486799, 512420, 717388, 819872, 896735, 973598, 1024840, 1434776, 1639744, 1793470, 1947196, 2049680, 2433995, 2869552, 3279488, 3407593, 3586940, 3894392, 4099360, 4867990, 5739104, 6815186, 7173880, 7788784, 8198720, 9735980, 11478208, 13630372, 14347760, 15577568, 16397440, 17037965, 19471960, 22956416, 27260744, 28695520, 31155136, 34075930, 38943920, 54521488, 57391040, 62310272, 68151860, 77887840, 109042976, 114782080, 136303720, 155775680, 218085952, 272607440, 311551360, 436171904, 545214880, 1090429760, 2180859520]

約数ペア:

[(1, 2180859520), (2, 1090429760), (4, 545214880), (5, 436171904), (7, 311551360), (8, 272607440), (10, 218085952), (14, 155775680), (16, 136303720), (19, 114782080), (20, 109042976), (28, 77887840), (32, 68151860), (35, 62310272), (38, 57391040), (40, 54521488), (56, 38943920), (64, 34075930), (70, 31155136), (76, 28695520), (80, 27260744), (95, 22956416), (112, 19471960), (128, 17037965), (133, 16397440), (140, 15577568), (152, 14347760), (160, 13630372), (190, 11478208), (224, 9735980), (266, 8198720), (280, 7788784), (304, 7173880), (320, 6815186), (380, 5739104), (448, 4867990), (532, 4099360), (560, 3894392), (608, 3586940), (640, 3407593), (665, 3279488), (760, 2869552), (896, 2433995), (1064, 2049680), (1120, 1947196), (1216, 1793470), (1330, 1639744), (1520, 1434776), (2128, 1024840), (2240, 973598), (2432, 896735), (2660, 819872), (3040, 717388), (4256, 512420), (4480, 486799), (5320, 409936), (6080, 358694), (8512, 256210), (10640, 204968), (12160, 179347), (17024, 128105), (21280, 102484), (25621, 85120), (42560, 51242)]