680999400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 240

約数和(自身を含む): 2391037440

約数和(自身を除く): 1710038040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 127, 135, 150, 162, 180, 200, 216, 225, 254, 270, 300, 324, 331, 360, 381, 405, 450, 508, 540, 600, 635, 648, 662, 675, 762, 810, 900, 993, 1016, 1080, 1143, 1270, 1324, 1350, 1524, 1620, 1655, 1800, 1905, 1986, 2025, 2286, 2540, 2648, 2700, 2979, 3048, 3175, 3240, 3310, 3429, 3810, 3972, 4050, 4572, 4965, 5080, 5400, 5715, 5958, 6350, 6620, 6858, 7620, 7944, 8100, 8275, 8937, 9144, 9525, 9930, 10287, 11430, 11916, 12700, 13240, 13716, 14895, 15240, 16200, 16550, 17145, 17874, 19050, 19860, 20574, 22860, 23832, 24825, 25400, 26811, 27432, 28575, 29790, 33100, 34290, 35748, 38100, 39720, 41148, 42037, 44685, 45720, 49650, 51435, 53622, 57150, 59580, 66200, 68580, 71496, 74475, 76200, 82296, 84074, 85725, 89370, 99300, 102870, 107244, 114300, 119160, 126111, 134055, 137160, 148950, 168148, 171450, 178740, 198600, 205740, 210185, 214488, 223425, 228600, 252222, 257175, 268110, 297900, 336296, 342900, 357480, 378333, 411480, 420370, 446850, 504444, 514350, 536220, 595800, 630555, 670275, 685800, 756666, 840740, 893700, 1008888, 1028700, 1050925, 1072440, 1134999, 1261110, 1340550, 1513332, 1681480, 1787400, 1891665, 2057400, 2101850, 2269998, 2522220, 2681100, 3026664, 3152775, 3404997, 3783330, 4203700, 4539996, 5044440, 5362200, 5674995, 6305550, 6809994, 7566660, 8407400, 9079992, 9458325, 11349990, 12611100, 13619988, 15133320, 17024985, 18916650, 22699980, 25222200, 27239976, 28374975, 34049970, 37833300, 45399960, 56749950, 68099940, 75666600, 85124925, 113499900, 136199880, 170249850, 226999800, 340499700, 680999400]

約数ペア:

[(1, 680999400), (2, 340499700), (3, 226999800), (4, 170249850), (5, 136199880), (6, 113499900), (8, 85124925), (9, 75666600), (10, 68099940), (12, 56749950), (15, 45399960), (18, 37833300), (20, 34049970), (24, 28374975), (25, 27239976), (27, 25222200), (30, 22699980), (36, 18916650), (40, 17024985), (45, 15133320), (50, 13619988), (54, 12611100), (60, 11349990), (72, 9458325), (75, 9079992), (81, 8407400), (90, 7566660), (100, 6809994), (108, 6305550), (120, 5674995), (127, 5362200), (135, 5044440), (150, 4539996), (162, 4203700), (180, 3783330), (200, 3404997), (216, 3152775), (225, 3026664), (254, 2681100), (270, 2522220), (300, 2269998), (324, 2101850), (331, 2057400), (360, 1891665), (381, 1787400), (405, 1681480), (450, 1513332), (508, 1340550), (540, 1261110), (600, 1134999), (635, 1072440), (648, 1050925), (662, 1028700), (675, 1008888), (762, 893700), (810, 840740), (900, 756666), (993, 685800), (1016, 670275), (1080, 630555), (1143, 595800), (1270, 536220), (1324, 514350), (1350, 504444), (1524, 446850), (1620, 420370), (1655, 411480), (1800, 378333), (1905, 357480), (1986, 342900), (2025, 336296), (2286, 297900), (2540, 268110), (2648, 257175), (2700, 252222), (2979, 228600), (3048, 223425), (3175, 214488), (3240, 210185), (3310, 205740), (3429, 198600), (3810, 178740), (3972, 171450), (4050, 168148), (4572, 148950), (4965, 137160), (5080, 134055), (5400, 126111), (5715, 119160), (5958, 114300), (6350, 107244), (6620, 102870), (6858, 99300), (7620, 89370), (7944, 85725), (8100, 84074), (8275, 82296), (8937, 76200), (9144, 74475), (9525, 71496), (9930, 68580), (10287, 66200), (11430, 59580), (11916, 57150), (12700, 53622), (13240, 51435), (13716, 49650), (14895, 45720), (15240, 44685), (16200, 42037), (16550, 41148), (17145, 39720), (17874, 38100), (19050, 35748), (19860, 34290), (20574, 33100), (22860, 29790), (23832, 28575), (24825, 27432), (25400, 26811)]