128257360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 380547072

約数和(自身を除く): 252289712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 235, 280, 308, 329, 376, 385, 440, 443, 470, 517, 560, 616, 658, 752, 770, 880, 886, 940, 1034, 1232, 1316, 1540, 1645, 1772, 1880, 2068, 2215, 2585, 2632, 3080, 3101, 3290, 3544, 3619, 3760, 4136, 4430, 4873, 5170, 5264, 6160, 6202, 6580, 7088, 7238, 8272, 8860, 9746, 10340, 12404, 13160, 14476, 15505, 17720, 18095, 19492, 20680, 20821, 24365, 24808, 26320, 28952, 31010, 34111, 35440, 36190, 38984, 41360, 41642, 48730, 49616, 57904, 62020, 68222, 72380, 77968, 83284, 97460, 104105, 124040, 136444, 144760, 145747, 166568, 170555, 194920, 208210, 229031, 248080, 272888, 289520, 291494, 333136, 341110, 389840, 416420, 458062, 545776, 582988, 682220, 728735, 832840, 916124, 1145155, 1165976, 1364440, 1457470, 1603217, 1665680, 1832248, 2290310, 2331952, 2728880, 2914940, 3206434, 3664496, 4580620, 5829880, 6412868, 8016085, 9161240, 11659760, 12825736, 16032170, 18322480, 25651472, 32064340, 64128680, 128257360]

約数ペア:

[(1, 128257360), (2, 64128680), (4, 32064340), (5, 25651472), (7, 18322480), (8, 16032170), (10, 12825736), (11, 11659760), (14, 9161240), (16, 8016085), (20, 6412868), (22, 5829880), (28, 4580620), (35, 3664496), (40, 3206434), (44, 2914940), (47, 2728880), (55, 2331952), (56, 2290310), (70, 1832248), (77, 1665680), (80, 1603217), (88, 1457470), (94, 1364440), (110, 1165976), (112, 1145155), (140, 916124), (154, 832840), (176, 728735), (188, 682220), (220, 582988), (235, 545776), (280, 458062), (308, 416420), (329, 389840), (376, 341110), (385, 333136), (440, 291494), (443, 289520), (470, 272888), (517, 248080), (560, 229031), (616, 208210), (658, 194920), (752, 170555), (770, 166568), (880, 145747), (886, 144760), (940, 136444), (1034, 124040), (1232, 104105), (1316, 97460), (1540, 83284), (1645, 77968), (1772, 72380), (1880, 68222), (2068, 62020), (2215, 57904), (2585, 49616), (2632, 48730), (3080, 41642), (3101, 41360), (3290, 38984), (3544, 36190), (3619, 35440), (3760, 34111), (4136, 31010), (4430, 28952), (4873, 26320), (5170, 24808), (5264, 24365), (6160, 20821), (6202, 20680), (6580, 19492), (7088, 18095), (7238, 17720), (8272, 15505), (8860, 14476), (9746, 13160), (10340, 12404)]