289331120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 761534592

約数和(自身を除く): 472203472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 73, 74, 80, 103, 104, 130, 146, 148, 185, 206, 208, 260, 292, 296, 365, 370, 412, 481, 515, 520, 584, 592, 730, 740, 824, 949, 962, 1030, 1040, 1168, 1339, 1460, 1480, 1648, 1898, 1924, 2060, 2405, 2678, 2701, 2920, 2960, 3796, 3811, 3848, 4120, 4745, 4810, 5356, 5402, 5840, 6695, 7519, 7592, 7622, 7696, 8240, 9490, 9620, 10712, 10804, 13390, 13505, 15038, 15184, 15244, 18980, 19055, 19240, 21424, 21608, 26780, 27010, 30076, 30488, 35113, 37595, 37960, 38110, 38480, 43216, 49543, 53560, 54020, 60152, 60976, 70226, 75190, 75920, 76220, 97747, 99086, 107120, 108040, 120304, 140452, 150380, 152440, 175565, 195494, 198172, 216080, 247715, 278203, 280904, 300760, 304880, 351130, 390988, 396344, 488735, 495430, 556406, 561808, 601520, 702260, 781976, 792688, 977470, 990860, 1112812, 1391015, 1404520, 1563952, 1954940, 1981720, 2225624, 2782030, 2809040, 3616639, 3909880, 3963440, 4451248, 5564060, 7233278, 7819760, 11128120, 14466556, 18083195, 22256240, 28933112, 36166390, 57866224, 72332780, 144665560, 289331120]

約数ペア:

[(1, 289331120), (2, 144665560), (4, 72332780), (5, 57866224), (8, 36166390), (10, 28933112), (13, 22256240), (16, 18083195), (20, 14466556), (26, 11128120), (37, 7819760), (40, 7233278), (52, 5564060), (65, 4451248), (73, 3963440), (74, 3909880), (80, 3616639), (103, 2809040), (104, 2782030), (130, 2225624), (146, 1981720), (148, 1954940), (185, 1563952), (206, 1404520), (208, 1391015), (260, 1112812), (292, 990860), (296, 977470), (365, 792688), (370, 781976), (412, 702260), (481, 601520), (515, 561808), (520, 556406), (584, 495430), (592, 488735), (730, 396344), (740, 390988), (824, 351130), (949, 304880), (962, 300760), (1030, 280904), (1040, 278203), (1168, 247715), (1339, 216080), (1460, 198172), (1480, 195494), (1648, 175565), (1898, 152440), (1924, 150380), (2060, 140452), (2405, 120304), (2678, 108040), (2701, 107120), (2920, 99086), (2960, 97747), (3796, 76220), (3811, 75920), (3848, 75190), (4120, 70226), (4745, 60976), (4810, 60152), (5356, 54020), (5402, 53560), (5840, 49543), (6695, 43216), (7519, 38480), (7592, 38110), (7622, 37960), (7696, 37595), (8240, 35113), (9490, 30488), (9620, 30076), (10712, 27010), (10804, 26780), (13390, 21608), (13505, 21424), (15038, 19240), (15184, 19055), (15244, 18980)]