71252720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 212129280

約数和(自身を除く): 140876560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 172, 176, 215, 220, 269, 280, 301, 308, 344, 385, 430, 440, 473, 538, 560, 602, 616, 688, 770, 860, 880, 946, 1076, 1204, 1232, 1345, 1505, 1540, 1720, 1883, 1892, 2152, 2365, 2408, 2690, 2959, 3010, 3080, 3311, 3440, 3766, 3784, 4304, 4730, 4816, 5380, 5918, 6020, 6160, 6622, 7532, 7568, 9415, 9460, 10760, 11567, 11836, 12040, 13244, 14795, 15064, 16555, 18830, 18920, 20713, 21520, 23134, 23672, 24080, 26488, 29590, 30128, 33110, 37660, 37840, 41426, 46268, 47344, 52976, 57835, 59180, 66220, 75320, 80969, 82852, 92536, 103565, 115670, 118360, 127237, 132440, 150640, 161938, 165704, 185072, 207130, 231340, 236720, 254474, 264880, 323876, 331408, 404845, 414260, 462680, 508948, 636185, 647752, 809690, 828520, 890659, 925360, 1017896, 1272370, 1295504, 1619380, 1657040, 1781318, 2035792, 2544740, 3238760, 3562636, 4453295, 5089480, 6477520, 7125272, 8906590, 10178960, 14250544, 17813180, 35626360, 71252720]

約数ペア:

[(1, 71252720), (2, 35626360), (4, 17813180), (5, 14250544), (7, 10178960), (8, 8906590), (10, 7125272), (11, 6477520), (14, 5089480), (16, 4453295), (20, 3562636), (22, 3238760), (28, 2544740), (35, 2035792), (40, 1781318), (43, 1657040), (44, 1619380), (55, 1295504), (56, 1272370), (70, 1017896), (77, 925360), (80, 890659), (86, 828520), (88, 809690), (110, 647752), (112, 636185), (140, 508948), (154, 462680), (172, 414260), (176, 404845), (215, 331408), (220, 323876), (269, 264880), (280, 254474), (301, 236720), (308, 231340), (344, 207130), (385, 185072), (430, 165704), (440, 161938), (473, 150640), (538, 132440), (560, 127237), (602, 118360), (616, 115670), (688, 103565), (770, 92536), (860, 82852), (880, 80969), (946, 75320), (1076, 66220), (1204, 59180), (1232, 57835), (1345, 52976), (1505, 47344), (1540, 46268), (1720, 41426), (1883, 37840), (1892, 37660), (2152, 33110), (2365, 30128), (2408, 29590), (2690, 26488), (2959, 24080), (3010, 23672), (3080, 23134), (3311, 21520), (3440, 20713), (3766, 18920), (3784, 18830), (4304, 16555), (4730, 15064), (4816, 14795), (5380, 13244), (5918, 12040), (6020, 11836), (6160, 11567), (6622, 10760), (7532, 9460), (7568, 9415)]