291142320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 240

約数和(自身を含む): 1106000640

約数和(自身を除く): 814858320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1176, 1303, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1995, 2128, 2280, 2352, 2606, 2660, 2793, 2940, 3192, 3724, 3909, 3920, 3990, 4560, 4655, 5212, 5320, 5586, 5880, 6384, 6515, 7448, 7818, 7980, 9121, 9310, 10424, 10640, 11172, 11760, 13030, 13965, 14896, 15636, 15960, 18242, 18620, 19545, 20848, 22344, 24757, 26060, 27363, 27930, 31272, 31920, 36484, 37240, 39090, 44688, 45605, 49514, 52120, 54726, 55860, 62544, 63847, 72968, 74271, 74480, 78180, 91210, 99028, 104240, 109452, 111720, 123785, 127694, 136815, 145936, 148542, 156360, 173299, 182420, 191541, 198056, 218904, 223440, 247570, 255388, 273630, 297084, 312720, 319235, 346598, 364840, 371355, 383082, 396112, 437808, 495140, 510776, 519897, 547260, 594168, 638470, 693196, 729680, 742710, 766164, 866495, 957705, 990280, 1021552, 1039794, 1094520, 1188336, 1213093, 1276940, 1386392, 1485420, 1532328, 1732990, 1915410, 1980560, 2079588, 2189040, 2426186, 2553880, 2599485, 2772784, 2970840, 3064656, 3465980, 3639279, 3830820, 4159176, 4852372, 5107760, 5198970, 5941680, 6065465, 6931960, 7278558, 7661640, 8318352, 9704744, 10397940, 12130930, 13863920, 14557116, 15323280, 18196395, 19409488, 20795880, 24261860, 29114232, 36392790, 41591760, 48523720, 58228464, 72785580, 97047440, 145571160, 291142320]

約数ペア:

[(1, 291142320), (2, 145571160), (3, 97047440), (4, 72785580), (5, 58228464), (6, 48523720), (7, 41591760), (8, 36392790), (10, 29114232), (12, 24261860), (14, 20795880), (15, 19409488), (16, 18196395), (19, 15323280), (20, 14557116), (21, 13863920), (24, 12130930), (28, 10397940), (30, 9704744), (35, 8318352), (38, 7661640), (40, 7278558), (42, 6931960), (48, 6065465), (49, 5941680), (56, 5198970), (57, 5107760), (60, 4852372), (70, 4159176), (76, 3830820), (80, 3639279), (84, 3465980), (95, 3064656), (98, 2970840), (105, 2772784), (112, 2599485), (114, 2553880), (120, 2426186), (133, 2189040), (140, 2079588), (147, 1980560), (152, 1915410), (168, 1732990), (190, 1532328), (196, 1485420), (210, 1386392), (228, 1276940), (240, 1213093), (245, 1188336), (266, 1094520), (280, 1039794), (285, 1021552), (294, 990280), (304, 957705), (336, 866495), (380, 766164), (392, 742710), (399, 729680), (420, 693196), (456, 638470), (490, 594168), (532, 547260), (560, 519897), (570, 510776), (588, 495140), (665, 437808), (735, 396112), (760, 383082), (784, 371355), (798, 364840), (840, 346598), (912, 319235), (931, 312720), (980, 297084), (1064, 273630), (1140, 255388), (1176, 247570), (1303, 223440), (1330, 218904), (1470, 198056), (1520, 191541), (1596, 182420), (1680, 173299), (1862, 156360), (1960, 148542), (1995, 145936), (2128, 136815), (2280, 127694), (2352, 123785), (2606, 111720), (2660, 109452), (2793, 104240), (2940, 99028), (3192, 91210), (3724, 78180), (3909, 74480), (3920, 74271), (3990, 72968), (4560, 63847), (4655, 62544), (5212, 55860), (5320, 54726), (5586, 52120), (5880, 49514), (6384, 45605), (6515, 44688), (7448, 39090), (7818, 37240), (7980, 36484), (9121, 31920), (9310, 31272), (10424, 27930), (10640, 27363), (11172, 26060), (11760, 24757), (13030, 22344), (13965, 20848), (14896, 19545), (15636, 18620), (15960, 18242)]