2574662840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 6189004800

約数和(自身を除く): 3614341960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 109, 124, 155, 172, 215, 218, 248, 310, 344, 430, 436, 443, 545, 620, 860, 872, 886, 1090, 1240, 1333, 1720, 1772, 2180, 2215, 2666, 3379, 3544, 4360, 4430, 4687, 5332, 6665, 6758, 8860, 9374, 10664, 13330, 13516, 13733, 16895, 17720, 18748, 19049, 23435, 26660, 27032, 27466, 33790, 37496, 38098, 46870, 48287, 53320, 54932, 67580, 68665, 76196, 93740, 95245, 96574, 109864, 135160, 137330, 145297, 152392, 187480, 190490, 193148, 241435, 274660, 290594, 380980, 386296, 482870, 549320, 581188, 590519, 726485, 761960, 965740, 1162376, 1181038, 1452970, 1496897, 1931480, 2076341, 2362076, 2905940, 2952595, 2993794, 4152682, 4724152, 5811880, 5905190, 5987588, 7484485, 8305364, 10381705, 11810380, 11975176, 14968970, 16610728, 20763410, 23620760, 29937940, 41526820, 59875880, 64366571, 83053640, 128733142, 257466284, 321832855, 514932568, 643665710, 1287331420, 2574662840]

約数ペア:

[(1, 2574662840), (2, 1287331420), (4, 643665710), (5, 514932568), (8, 321832855), (10, 257466284), (20, 128733142), (31, 83053640), (40, 64366571), (43, 59875880), (62, 41526820), (86, 29937940), (109, 23620760), (124, 20763410), (155, 16610728), (172, 14968970), (215, 11975176), (218, 11810380), (248, 10381705), (310, 8305364), (344, 7484485), (430, 5987588), (436, 5905190), (443, 5811880), (545, 4724152), (620, 4152682), (860, 2993794), (872, 2952595), (886, 2905940), (1090, 2362076), (1240, 2076341), (1333, 1931480), (1720, 1496897), (1772, 1452970), (2180, 1181038), (2215, 1162376), (2666, 965740), (3379, 761960), (3544, 726485), (4360, 590519), (4430, 581188), (4687, 549320), (5332, 482870), (6665, 386296), (6758, 380980), (8860, 290594), (9374, 274660), (10664, 241435), (13330, 193148), (13516, 190490), (13733, 187480), (16895, 152392), (17720, 145297), (18748, 137330), (19049, 135160), (23435, 109864), (26660, 96574), (27032, 95245), (27466, 93740), (33790, 76196), (37496, 68665), (38098, 67580), (46870, 54932), (48287, 53320)]