321141240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 256

約数和(自身を含む): 1237939200

約数和(自身を除く): 916797960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 107, 108, 120, 126, 135, 140, 168, 180, 189, 210, 214, 216, 252, 270, 280, 315, 321, 360, 378, 397, 420, 428, 504, 535, 540, 630, 642, 749, 756, 794, 840, 856, 945, 963, 1070, 1080, 1191, 1260, 1284, 1498, 1512, 1588, 1605, 1890, 1926, 1985, 2140, 2247, 2382, 2520, 2568, 2779, 2889, 2996, 3176, 3210, 3573, 3745, 3780, 3852, 3970, 4280, 4494, 4764, 4815, 5558, 5778, 5955, 5992, 6420, 6741, 7146, 7490, 7560, 7704, 7940, 8337, 8988, 9528, 9630, 10719, 11116, 11235, 11556, 11910, 12840, 13482, 13895, 14292, 14445, 14980, 15880, 16674, 17865, 17976, 19260, 20223, 21438, 22232, 22470, 23112, 23820, 25011, 26964, 27790, 28584, 28890, 29960, 33348, 33705, 35730, 38520, 40446, 41685, 42479, 42876, 44940, 47640, 50022, 53595, 53928, 55580, 57780, 66696, 67410, 71460, 75033, 80892, 83370, 84958, 85752, 89880, 100044, 101115, 107190, 111160, 115560, 125055, 127437, 134820, 142920, 150066, 161784, 166740, 169916, 200088, 202230, 212395, 214380, 250110, 254874, 269640, 297353, 300132, 333480, 339832, 375165, 382311, 404460, 424790, 428760, 500220, 509748, 594706, 600264, 637185, 750330, 764622, 808920, 849580, 892059, 1000440, 1019496, 1146933, 1189412, 1274370, 1486765, 1500660, 1529244, 1699160, 1784118, 1911555, 2293866, 2378824, 2548740, 2676177, 2973530, 3001320, 3058488, 3568236, 3823110, 4460295, 4587732, 5097480, 5352354, 5734665, 5947060, 7136472, 7646220, 8028531, 8920590, 9175464, 10704708, 11469330, 11894120, 13380885, 15292440, 16057062, 17841180, 21409416, 22938660, 26761770, 32114124, 35682360, 40142655, 45877320, 53523540, 64228248, 80285310, 107047080, 160570620, 321141240]

約数ペア:

[(1, 321141240), (2, 160570620), (3, 107047080), (4, 80285310), (5, 64228248), (6, 53523540), (7, 45877320), (8, 40142655), (9, 35682360), (10, 32114124), (12, 26761770), (14, 22938660), (15, 21409416), (18, 17841180), (20, 16057062), (21, 15292440), (24, 13380885), (27, 11894120), (28, 11469330), (30, 10704708), (35, 9175464), (36, 8920590), (40, 8028531), (42, 7646220), (45, 7136472), (54, 5947060), (56, 5734665), (60, 5352354), (63, 5097480), (70, 4587732), (72, 4460295), (84, 3823110), (90, 3568236), (105, 3058488), (107, 3001320), (108, 2973530), (120, 2676177), (126, 2548740), (135, 2378824), (140, 2293866), (168, 1911555), (180, 1784118), (189, 1699160), (210, 1529244), (214, 1500660), (216, 1486765), (252, 1274370), (270, 1189412), (280, 1146933), (315, 1019496), (321, 1000440), (360, 892059), (378, 849580), (397, 808920), (420, 764622), (428, 750330), (504, 637185), (535, 600264), (540, 594706), (630, 509748), (642, 500220), (749, 428760), (756, 424790), (794, 404460), (840, 382311), (856, 375165), (945, 339832), (963, 333480), (1070, 300132), (1080, 297353), (1191, 269640), (1260, 254874), (1284, 250110), (1498, 214380), (1512, 212395), (1588, 202230), (1605, 200088), (1890, 169916), (1926, 166740), (1985, 161784), (2140, 150066), (2247, 142920), (2382, 134820), (2520, 127437), (2568, 125055), (2779, 115560), (2889, 111160), (2996, 107190), (3176, 101115), (3210, 100044), (3573, 89880), (3745, 85752), (3780, 84958), (3852, 83370), (3970, 80892), (4280, 75033), (4494, 71460), (4764, 67410), (4815, 66696), (5558, 57780), (5778, 55580), (5955, 53928), (5992, 53595), (6420, 50022), (6741, 47640), (7146, 44940), (7490, 42876), (7560, 42479), (7704, 41685), (7940, 40446), (8337, 38520), (8988, 35730), (9528, 33705), (9630, 33348), (10719, 29960), (11116, 28890), (11235, 28584), (11556, 27790), (11910, 26964), (12840, 25011), (13482, 23820), (13895, 23112), (14292, 22470), (14445, 22232), (14980, 21438), (15880, 20223), (16674, 19260), (17865, 17976)]