81686400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 275220480

約数和(自身を除く): 193534080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 67, 75, 80, 96, 100, 120, 127, 128, 134, 150, 160, 192, 200, 201, 240, 254, 268, 300, 320, 335, 381, 384, 400, 402, 480, 508, 536, 600, 635, 640, 670, 762, 800, 804, 960, 1005, 1016, 1072, 1200, 1270, 1340, 1524, 1600, 1608, 1675, 1905, 1920, 2010, 2032, 2144, 2400, 2540, 2680, 3048, 3175, 3200, 3216, 3350, 3810, 4020, 4064, 4288, 4800, 5025, 5080, 5360, 6096, 6350, 6432, 6700, 7620, 8040, 8128, 8509, 8576, 9525, 9600, 10050, 10160, 10720, 12192, 12700, 12864, 13400, 15240, 16080, 16256, 17018, 19050, 20100, 20320, 21440, 24384, 25400, 25527, 25728, 26800, 30480, 32160, 34036, 38100, 40200, 40640, 42545, 42880, 48768, 50800, 51054, 53600, 60960, 64320, 68072, 76200, 80400, 81280, 85090, 101600, 102108, 107200, 121920, 127635, 128640, 136144, 152400, 160800, 170180, 203200, 204216, 212725, 214400, 243840, 255270, 272288, 304800, 321600, 340360, 406400, 408432, 425450, 510540, 544576, 609600, 638175, 643200, 680720, 816864, 850900, 1021080, 1089152, 1219200, 1276350, 1361440, 1633728, 1701800, 2042160, 2552700, 2722880, 3267456, 3403600, 4084320, 5105400, 5445760, 6807200, 8168640, 10210800, 13614400, 16337280, 20421600, 27228800, 40843200, 81686400]

約数ペア:

[(1, 81686400), (2, 40843200), (3, 27228800), (4, 20421600), (5, 16337280), (6, 13614400), (8, 10210800), (10, 8168640), (12, 6807200), (15, 5445760), (16, 5105400), (20, 4084320), (24, 3403600), (25, 3267456), (30, 2722880), (32, 2552700), (40, 2042160), (48, 1701800), (50, 1633728), (60, 1361440), (64, 1276350), (67, 1219200), (75, 1089152), (80, 1021080), (96, 850900), (100, 816864), (120, 680720), (127, 643200), (128, 638175), (134, 609600), (150, 544576), (160, 510540), (192, 425450), (200, 408432), (201, 406400), (240, 340360), (254, 321600), (268, 304800), (300, 272288), (320, 255270), (335, 243840), (381, 214400), (384, 212725), (400, 204216), (402, 203200), (480, 170180), (508, 160800), (536, 152400), (600, 136144), (635, 128640), (640, 127635), (670, 121920), (762, 107200), (800, 102108), (804, 101600), (960, 85090), (1005, 81280), (1016, 80400), (1072, 76200), (1200, 68072), (1270, 64320), (1340, 60960), (1524, 53600), (1600, 51054), (1608, 50800), (1675, 48768), (1905, 42880), (1920, 42545), (2010, 40640), (2032, 40200), (2144, 38100), (2400, 34036), (2540, 32160), (2680, 30480), (3048, 26800), (3175, 25728), (3200, 25527), (3216, 25400), (3350, 24384), (3810, 21440), (4020, 20320), (4064, 20100), (4288, 19050), (4800, 17018), (5025, 16256), (5080, 16080), (5360, 15240), (6096, 13400), (6350, 12864), (6432, 12700), (6700, 12192), (7620, 10720), (8040, 10160), (8128, 10050), (8509, 9600), (8576, 9525)]