638957880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:854

約数の個数: 192

約数和(自身を含む): 2277007200

約数和(自身を除く): 1638049320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 317, 330, 360, 396, 440, 495, 509, 634, 660, 792, 951, 990, 1018, 1268, 1320, 1527, 1585, 1902, 1980, 2036, 2536, 2545, 2853, 3054, 3170, 3487, 3804, 3960, 4072, 4581, 4755, 5090, 5599, 5706, 6108, 6340, 6974, 7608, 7635, 9162, 9510, 10180, 10461, 11198, 11412, 12216, 12680, 13948, 14265, 15270, 16797, 17435, 18324, 19020, 20360, 20922, 22396, 22824, 22905, 27896, 27995, 28530, 30540, 31383, 33594, 34870, 36648, 38040, 41844, 44792, 45810, 50391, 52305, 55990, 57060, 61080, 62766, 67188, 69740, 83688, 83985, 91620, 100782, 104610, 111980, 114120, 125532, 134376, 139480, 156915, 161353, 167970, 183240, 201564, 209220, 223960, 251064, 251955, 313830, 322706, 335940, 403128, 418440, 484059, 503910, 627660, 645412, 671880, 806765, 968118, 1007820, 1255320, 1290824, 1452177, 1613530, 1774883, 1936236, 2015640, 2420295, 2904354, 3227060, 3549766, 3872472, 4840590, 5324649, 5808708, 6454120, 7099532, 7260885, 8874415, 9681180, 10649298, 11617416, 14199064, 14521770, 15973947, 17748830, 19362360, 21298596, 26623245, 29043540, 31947894, 35497660, 42597192, 53246490, 58087080, 63895788, 70995320, 79869735, 106492980, 127791576, 159739470, 212985960, 319478940, 638957880]

約数ペア:

[(1, 638957880), (2, 319478940), (3, 212985960), (4, 159739470), (5, 127791576), (6, 106492980), (8, 79869735), (9, 70995320), (10, 63895788), (11, 58087080), (12, 53246490), (15, 42597192), (18, 35497660), (20, 31947894), (22, 29043540), (24, 26623245), (30, 21298596), (33, 19362360), (36, 17748830), (40, 15973947), (44, 14521770), (45, 14199064), (55, 11617416), (60, 10649298), (66, 9681180), (72, 8874415), (88, 7260885), (90, 7099532), (99, 6454120), (110, 5808708), (120, 5324649), (132, 4840590), (165, 3872472), (180, 3549766), (198, 3227060), (220, 2904354), (264, 2420295), (317, 2015640), (330, 1936236), (360, 1774883), (396, 1613530), (440, 1452177), (495, 1290824), (509, 1255320), (634, 1007820), (660, 968118), (792, 806765), (951, 671880), (990, 645412), (1018, 627660), (1268, 503910), (1320, 484059), (1527, 418440), (1585, 403128), (1902, 335940), (1980, 322706), (2036, 313830), (2536, 251955), (2545, 251064), (2853, 223960), (3054, 209220), (3170, 201564), (3487, 183240), (3804, 167970), (3960, 161353), (4072, 156915), (4581, 139480), (4755, 134376), (5090, 125532), (5599, 114120), (5706, 111980), (6108, 104610), (6340, 100782), (6974, 91620), (7608, 83985), (7635, 83688), (9162, 69740), (9510, 67188), (10180, 62766), (10461, 61080), (11198, 57060), (11412, 55990), (12216, 52305), (12680, 50391), (13948, 45810), (14265, 44792), (15270, 41844), (16797, 38040), (17435, 36648), (18324, 34870), (19020, 33594), (20360, 31383), (20922, 30540), (22396, 28530), (22824, 27995), (22905, 27896)]