2131021440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{123323}}^1$

素因数の和:123351

約数の個数: 128

約数和(自身を含む): 7547428800

約数和(自身を除く): 5416407360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 123323, 246646, 369969, 493292, 616615, 739938, 986584, 1109907, 1233230, 1479876, 1849845, 1973168, 2219814, 2466460, 2959752, 3329721, 3699690, 3946336, 4439628, 4932920, 5549535, 5919504, 6659442, 7399380, 7892672, 8879256, 9865840, 11099070, 11839008, 13318884, 14798760, 15785344, 16648605, 17758512, 19731680, 22198140, 23678016, 26637768, 29597520, 33297210, 35517024, 39463360, 44396280, 47356032, 53275536, 59195040, 66594420, 71034048, 78926720, 88792560, 106551072, 118390080, 133188840, 142068096, 177585120, 213102144, 236780160, 266377680, 355170240, 426204288, 532755360, 710340480, 1065510720, 2131021440]

約数ペア:

[(1, 2131021440), (2, 1065510720), (3, 710340480), (4, 532755360), (5, 426204288), (6, 355170240), (8, 266377680), (9, 236780160), (10, 213102144), (12, 177585120), (15, 142068096), (16, 133188840), (18, 118390080), (20, 106551072), (24, 88792560), (27, 78926720), (30, 71034048), (32, 66594420), (36, 59195040), (40, 53275536), (45, 47356032), (48, 44396280), (54, 39463360), (60, 35517024), (64, 33297210), (72, 29597520), (80, 26637768), (90, 23678016), (96, 22198140), (108, 19731680), (120, 17758512), (128, 16648605), (135, 15785344), (144, 14798760), (160, 13318884), (180, 11839008), (192, 11099070), (216, 9865840), (240, 8879256), (270, 7892672), (288, 7399380), (320, 6659442), (360, 5919504), (384, 5549535), (432, 4932920), (480, 4439628), (540, 3946336), (576, 3699690), (640, 3329721), (720, 2959752), (864, 2466460), (960, 2219814), (1080, 1973168), (1152, 1849845), (1440, 1479876), (1728, 1233230), (1920, 1109907), (2160, 986584), (2880, 739938), (3456, 616615), (4320, 493292), (5760, 369969), (8640, 246646), (17280, 123323)]