64128680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 184135680

約数和(自身を除く): 120007000

約数列:

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

約数ペア:

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