1491488000

素因数分解:

$2^8\times 5^3\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:525

約数の個数: 144

約数和(自身を含む): 3754942464

約数和(自身を除く): 2263454464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 256, 320, 367, 400, 500, 508, 635, 640, 734, 800, 1000, 1016, 1270, 1280, 1468, 1600, 1835, 2000, 2032, 2540, 2936, 3175, 3200, 3670, 4000, 4064, 5080, 5872, 6350, 6400, 7340, 8000, 8128, 9175, 10160, 11744, 12700, 14680, 15875, 16000, 16256, 18350, 20320, 23488, 25400, 29360, 31750, 32000, 32512, 36700, 40640, 45875, 46609, 46976, 50800, 58720, 63500, 73400, 81280, 91750, 93218, 93952, 101600, 117440, 127000, 146800, 162560, 183500, 186436, 203200, 233045, 234880, 254000, 293600, 367000, 372872, 406400, 466090, 469760, 508000, 587200, 734000, 745744, 812800, 932180, 1016000, 1165225, 1174400, 1468000, 1491488, 1864360, 2032000, 2330450, 2348800, 2936000, 2982976, 3728720, 4064000, 4660900, 5826125, 5872000, 5965952, 7457440, 9321800, 11652250, 11744000, 11931904, 14914880, 18643600, 23304500, 29829760, 37287200, 46609000, 59659520, 74574400, 93218000, 149148800, 186436000, 298297600, 372872000, 745744000, 1491488000]

約数ペア:

[(1, 1491488000), (2, 745744000), (4, 372872000), (5, 298297600), (8, 186436000), (10, 149148800), (16, 93218000), (20, 74574400), (25, 59659520), (32, 46609000), (40, 37287200), (50, 29829760), (64, 23304500), (80, 18643600), (100, 14914880), (125, 11931904), (127, 11744000), (128, 11652250), (160, 9321800), (200, 7457440), (250, 5965952), (254, 5872000), (256, 5826125), (320, 4660900), (367, 4064000), (400, 3728720), (500, 2982976), (508, 2936000), (635, 2348800), (640, 2330450), (734, 2032000), (800, 1864360), (1000, 1491488), (1016, 1468000), (1270, 1174400), (1280, 1165225), (1468, 1016000), (1600, 932180), (1835, 812800), (2000, 745744), (2032, 734000), (2540, 587200), (2936, 508000), (3175, 469760), (3200, 466090), (3670, 406400), (4000, 372872), (4064, 367000), (5080, 293600), (5872, 254000), (6350, 234880), (6400, 233045), (7340, 203200), (8000, 186436), (8128, 183500), (9175, 162560), (10160, 146800), (11744, 127000), (12700, 117440), (14680, 101600), (15875, 93952), (16000, 93218), (16256, 91750), (18350, 81280), (20320, 73400), (23488, 63500), (25400, 58720), (29360, 50800), (31750, 46976), (32000, 46609), (32512, 45875), (36700, 40640)]