208970880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1006

約数の個数: 128

約数和(自身を含む): 672122880

約数和(自身を除く): 463152000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 857, 960, 1016, 1270, 1524, 1714, 1905, 1920, 2032, 2540, 2571, 3048, 3428, 3810, 4064, 4285, 5080, 5142, 6096, 6856, 7620, 8128, 8570, 10160, 10284, 12192, 12855, 13712, 15240, 16256, 17140, 20320, 20568, 24384, 25710, 27424, 30480, 34280, 40640, 41136, 48768, 51420, 54848, 60960, 68560, 81280, 82272, 102840, 108839, 109696, 121920, 137120, 164544, 205680, 217678, 243840, 274240, 326517, 329088, 411360, 435356, 544195, 548480, 653034, 822720, 870712, 1088390, 1306068, 1632585, 1645440, 1741424, 2176780, 2612136, 3265170, 3482848, 4353560, 5224272, 6530340, 6965696, 8707120, 10448544, 13060680, 13931392, 17414240, 20897088, 26121360, 34828480, 41794176, 52242720, 69656960, 104485440, 208970880]

約数ペア:

[(1, 208970880), (2, 104485440), (3, 69656960), (4, 52242720), (5, 41794176), (6, 34828480), (8, 26121360), (10, 20897088), (12, 17414240), (15, 13931392), (16, 13060680), (20, 10448544), (24, 8707120), (30, 6965696), (32, 6530340), (40, 5224272), (48, 4353560), (60, 3482848), (64, 3265170), (80, 2612136), (96, 2176780), (120, 1741424), (127, 1645440), (128, 1632585), (160, 1306068), (192, 1088390), (240, 870712), (254, 822720), (320, 653034), (381, 548480), (384, 544195), (480, 435356), (508, 411360), (635, 329088), (640, 326517), (762, 274240), (857, 243840), (960, 217678), (1016, 205680), (1270, 164544), (1524, 137120), (1714, 121920), (1905, 109696), (1920, 108839), (2032, 102840), (2540, 82272), (2571, 81280), (3048, 68560), (3428, 60960), (3810, 54848), (4064, 51420), (4285, 48768), (5080, 41136), (5142, 40640), (6096, 34280), (6856, 30480), (7620, 27424), (8128, 25710), (8570, 24384), (10160, 20568), (10284, 20320), (12192, 17140), (12855, 16256), (13712, 15240)]