320585040

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 280

約数和(自身を含む): 1170996480

約数和(自身を除く): 850411440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 239, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 478, 486, 540, 552, 621, 648, 690, 717, 720, 729, 810, 828, 920, 956, 972, 1035, 1080, 1104, 1195, 1215, 1242, 1296, 1380, 1434, 1458, 1620, 1656, 1840, 1863, 1912, 1944, 2070, 2151, 2160, 2390, 2430, 2484, 2760, 2868, 2916, 3105, 3240, 3312, 3585, 3645, 3726, 3824, 3888, 4140, 4302, 4780, 4860, 4968, 5497, 5520, 5589, 5736, 5832, 6210, 6453, 6480, 7170, 7290, 7452, 8280, 8604, 9315, 9560, 9720, 9936, 10755, 10994, 11178, 11472, 11664, 12420, 12906, 14340, 14580, 14904, 16491, 16560, 16767, 17208, 18630, 19120, 19359, 19440, 21510, 21988, 22356, 24840, 25812, 27485, 27945, 28680, 29160, 29808, 32265, 32982, 33534, 34416, 37260, 38718, 43020, 43976, 44712, 49473, 49680, 51624, 54970, 55890, 57360, 58077, 58320, 64530, 65964, 67068, 74520, 77436, 82455, 83835, 86040, 87952, 89424, 96795, 98946, 103248, 109940, 111780, 116154, 129060, 131928, 134136, 148419, 149040, 154872, 164910, 167670, 172080, 174231, 193590, 197892, 219880, 223560, 232308, 247365, 258120, 263856, 268272, 290385, 296838, 309744, 329820, 335340, 348462, 387180, 395784, 439760, 445257, 447120, 464616, 494730, 516240, 580770, 593676, 659640, 670680, 696924, 742095, 774360, 791568, 871155, 890514, 929232, 989460, 1161540, 1187352, 1319280, 1335771, 1341360, 1393848, 1484190, 1548720, 1742310, 1781028, 1978920, 2226285, 2323080, 2374704, 2671542, 2787696, 2968380, 3484620, 3562056, 3957840, 4007313, 4452570, 4646160, 5343084, 5936760, 6678855, 6969240, 7124112, 8014626, 8905140, 10686168, 11873520, 13357710, 13938480, 16029252, 17810280, 20036565, 21372336, 26715420, 32058504, 35620560, 40073130, 53430840, 64117008, 80146260, 106861680, 160292520, 320585040]

約数ペア:

[(1, 320585040), (2, 160292520), (3, 106861680), (4, 80146260), (5, 64117008), (6, 53430840), (8, 40073130), (9, 35620560), (10, 32058504), (12, 26715420), (15, 21372336), (16, 20036565), (18, 17810280), (20, 16029252), (23, 13938480), (24, 13357710), (27, 11873520), (30, 10686168), (36, 8905140), (40, 8014626), (45, 7124112), (46, 6969240), (48, 6678855), (54, 5936760), (60, 5343084), (69, 4646160), (72, 4452570), (80, 4007313), (81, 3957840), (90, 3562056), (92, 3484620), (108, 2968380), (115, 2787696), (120, 2671542), (135, 2374704), (138, 2323080), (144, 2226285), (162, 1978920), (180, 1781028), (184, 1742310), (207, 1548720), (216, 1484190), (230, 1393848), (239, 1341360), (240, 1335771), (243, 1319280), (270, 1187352), (276, 1161540), (324, 989460), (345, 929232), (360, 890514), (368, 871155), (405, 791568), (414, 774360), (432, 742095), (460, 696924), (478, 670680), (486, 659640), (540, 593676), (552, 580770), (621, 516240), (648, 494730), (690, 464616), (717, 447120), (720, 445257), (729, 439760), (810, 395784), (828, 387180), (920, 348462), (956, 335340), (972, 329820), (1035, 309744), (1080, 296838), (1104, 290385), (1195, 268272), (1215, 263856), (1242, 258120), (1296, 247365), (1380, 232308), (1434, 223560), (1458, 219880), (1620, 197892), (1656, 193590), (1840, 174231), (1863, 172080), (1912, 167670), (1944, 164910), (2070, 154872), (2151, 149040), (2160, 148419), (2390, 134136), (2430, 131928), (2484, 129060), (2760, 116154), (2868, 111780), (2916, 109940), (3105, 103248), (3240, 98946), (3312, 96795), (3585, 89424), (3645, 87952), (3726, 86040), (3824, 83835), (3888, 82455), (4140, 77436), (4302, 74520), (4780, 67068), (4860, 65964), (4968, 64530), (5497, 58320), (5520, 58077), (5589, 57360), (5736, 55890), (5832, 54970), (6210, 51624), (6453, 49680), (6480, 49473), (7170, 44712), (7290, 43976), (7452, 43020), (8280, 38718), (8604, 37260), (9315, 34416), (9560, 33534), (9720, 32982), (9936, 32265), (10755, 29808), (10994, 29160), (11178, 28680), (11472, 27945), (11664, 27485), (12420, 25812), (12906, 24840), (14340, 22356), (14580, 21988), (14904, 21510), (16491, 19440), (16560, 19359), (16767, 19120), (17208, 18630)]