255280680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 256

約数和(自身を含む): 912384000

約数和(自身を除く): 657103320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 43, 45, 46, 54, 60, 69, 72, 86, 90, 92, 108, 115, 120, 129, 135, 138, 172, 180, 184, 207, 215, 216, 230, 239, 258, 270, 276, 344, 345, 360, 387, 414, 430, 460, 478, 516, 540, 552, 621, 645, 690, 717, 774, 828, 860, 920, 956, 989, 1032, 1035, 1080, 1161, 1195, 1242, 1290, 1380, 1434, 1548, 1656, 1720, 1912, 1935, 1978, 2070, 2151, 2322, 2390, 2484, 2580, 2760, 2868, 2967, 3096, 3105, 3585, 3870, 3956, 4140, 4302, 4644, 4780, 4945, 4968, 5160, 5497, 5736, 5805, 5934, 6210, 6453, 7170, 7740, 7912, 8280, 8604, 8901, 9288, 9560, 9890, 10277, 10755, 10994, 11610, 11868, 12420, 12906, 14340, 14835, 15480, 16491, 17208, 17802, 19780, 20554, 21510, 21988, 23220, 23736, 24840, 25812, 26703, 27485, 28680, 29670, 30831, 32265, 32982, 35604, 39560, 41108, 43020, 43976, 44505, 46440, 49473, 51385, 51624, 53406, 54970, 59340, 61662, 64530, 65964, 71208, 82216, 82455, 86040, 89010, 92493, 98946, 102770, 106812, 109940, 118680, 123324, 129060, 131928, 133515, 148419, 154155, 164910, 178020, 184986, 197892, 205540, 213624, 219880, 236371, 246648, 247365, 258120, 267030, 277479, 296838, 308310, 329820, 356040, 369972, 395784, 411080, 462465, 472742, 494730, 534060, 554958, 593676, 616620, 659640, 709113, 739944, 742095, 924930, 945484, 989460, 1068120, 1109916, 1181855, 1187352, 1233240, 1387395, 1418226, 1484190, 1849860, 1890968, 1978920, 2127339, 2219832, 2363710, 2774790, 2836452, 2968380, 3545565, 3699720, 4254678, 4727420, 5549580, 5672904, 5936760, 6382017, 7091130, 8509356, 9454840, 10636695, 11099160, 12764034, 14182260, 17018712, 21273390, 25528068, 28364520, 31910085, 42546780, 51056136, 63820170, 85093560, 127640340, 255280680]

約数ペア:

[(1, 255280680), (2, 127640340), (3, 85093560), (4, 63820170), (5, 51056136), (6, 42546780), (8, 31910085), (9, 28364520), (10, 25528068), (12, 21273390), (15, 17018712), (18, 14182260), (20, 12764034), (23, 11099160), (24, 10636695), (27, 9454840), (30, 8509356), (36, 7091130), (40, 6382017), (43, 5936760), (45, 5672904), (46, 5549580), (54, 4727420), (60, 4254678), (69, 3699720), (72, 3545565), (86, 2968380), (90, 2836452), (92, 2774790), (108, 2363710), (115, 2219832), (120, 2127339), (129, 1978920), (135, 1890968), (138, 1849860), (172, 1484190), (180, 1418226), (184, 1387395), (207, 1233240), (215, 1187352), (216, 1181855), (230, 1109916), (239, 1068120), (258, 989460), (270, 945484), (276, 924930), (344, 742095), (345, 739944), (360, 709113), (387, 659640), (414, 616620), (430, 593676), (460, 554958), (478, 534060), (516, 494730), (540, 472742), (552, 462465), (621, 411080), (645, 395784), (690, 369972), (717, 356040), (774, 329820), (828, 308310), (860, 296838), (920, 277479), (956, 267030), (989, 258120), (1032, 247365), (1035, 246648), (1080, 236371), (1161, 219880), (1195, 213624), (1242, 205540), (1290, 197892), (1380, 184986), (1434, 178020), (1548, 164910), (1656, 154155), (1720, 148419), (1912, 133515), (1935, 131928), (1978, 129060), (2070, 123324), (2151, 118680), (2322, 109940), (2390, 106812), (2484, 102770), (2580, 98946), (2760, 92493), (2868, 89010), (2967, 86040), (3096, 82455), (3105, 82216), (3585, 71208), (3870, 65964), (3956, 64530), (4140, 61662), (4302, 59340), (4644, 54970), (4780, 53406), (4945, 51624), (4968, 51385), (5160, 49473), (5497, 46440), (5736, 44505), (5805, 43976), (5934, 43020), (6210, 41108), (6453, 39560), (7170, 35604), (7740, 32982), (7912, 32265), (8280, 30831), (8604, 29670), (8901, 28680), (9288, 27485), (9560, 26703), (9890, 25812), (10277, 24840), (10755, 23736), (10994, 23220), (11610, 21988), (11868, 21510), (12420, 20554), (12906, 19780), (14340, 17802), (14835, 17208), (15480, 16491)]