681711680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 224

約数和(自身を含む): 1855037184

約数和(自身を除く): 1173325504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 43, 52, 64, 65, 74, 80, 86, 103, 104, 130, 148, 160, 172, 185, 206, 208, 215, 260, 296, 320, 344, 370, 412, 416, 430, 481, 515, 520, 559, 592, 688, 740, 824, 832, 860, 962, 1030, 1040, 1118, 1184, 1339, 1376, 1480, 1591, 1648, 1720, 1924, 2060, 2080, 2236, 2368, 2405, 2678, 2752, 2795, 2960, 3182, 3296, 3440, 3811, 3848, 4120, 4160, 4429, 4472, 4810, 5356, 5590, 5920, 6364, 6592, 6695, 6880, 7622, 7696, 7955, 8240, 8858, 8944, 9620, 10712, 11180, 11840, 12728, 13390, 13760, 15244, 15392, 15910, 16480, 17716, 17888, 19055, 19240, 20683, 21424, 22145, 22360, 25456, 26780, 30488, 30784, 31820, 32960, 35432, 35776, 38110, 38480, 41366, 42848, 44290, 44720, 49543, 50912, 53560, 57577, 60976, 63640, 70864, 76220, 76960, 82732, 85696, 88580, 89440, 99086, 101824, 103415, 107120, 115154, 121952, 127280, 141728, 152440, 153920, 163873, 165464, 177160, 178880, 198172, 206830, 214240, 230308, 243904, 247715, 254560, 283456, 287885, 304880, 327746, 330928, 354320, 396344, 413660, 428480, 460616, 495430, 509120, 575770, 609760, 655492, 661856, 708640, 792688, 819365, 827320, 921232, 990860, 1151540, 1219520, 1310984, 1323712, 1417280, 1585376, 1638730, 1654640, 1842464, 1981720, 2130349, 2303080, 2621968, 3170752, 3277460, 3309280, 3684928, 3963440, 4260698, 4606160, 5243936, 6554920, 6618560, 7926880, 8521396, 9212320, 10487872, 10651745, 13109840, 15853760, 17042792, 18424640, 21303490, 26219680, 34085584, 42606980, 52439360, 68171168, 85213960, 136342336, 170427920, 340855840, 681711680]

約数ペア:

[(1, 681711680), (2, 340855840), (4, 170427920), (5, 136342336), (8, 85213960), (10, 68171168), (13, 52439360), (16, 42606980), (20, 34085584), (26, 26219680), (32, 21303490), (37, 18424640), (40, 17042792), (43, 15853760), (52, 13109840), (64, 10651745), (65, 10487872), (74, 9212320), (80, 8521396), (86, 7926880), (103, 6618560), (104, 6554920), (130, 5243936), (148, 4606160), (160, 4260698), (172, 3963440), (185, 3684928), (206, 3309280), (208, 3277460), (215, 3170752), (260, 2621968), (296, 2303080), (320, 2130349), (344, 1981720), (370, 1842464), (412, 1654640), (416, 1638730), (430, 1585376), (481, 1417280), (515, 1323712), (520, 1310984), (559, 1219520), (592, 1151540), (688, 990860), (740, 921232), (824, 827320), (832, 819365), (860, 792688), (962, 708640), (1030, 661856), (1040, 655492), (1118, 609760), (1184, 575770), (1339, 509120), (1376, 495430), (1480, 460616), (1591, 428480), (1648, 413660), (1720, 396344), (1924, 354320), (2060, 330928), (2080, 327746), (2236, 304880), (2368, 287885), (2405, 283456), (2678, 254560), (2752, 247715), (2795, 243904), (2960, 230308), (3182, 214240), (3296, 206830), (3440, 198172), (3811, 178880), (3848, 177160), (4120, 165464), (4160, 163873), (4429, 153920), (4472, 152440), (4810, 141728), (5356, 127280), (5590, 121952), (5920, 115154), (6364, 107120), (6592, 103415), (6695, 101824), (6880, 99086), (7622, 89440), (7696, 88580), (7955, 85696), (8240, 82732), (8858, 76960), (8944, 76220), (9620, 70864), (10712, 63640), (11180, 60976), (11840, 57577), (12728, 53560), (13390, 50912), (13760, 49543), (15244, 44720), (15392, 44290), (15910, 42848), (16480, 41366), (17716, 38480), (17888, 38110), (19055, 35776), (19240, 35432), (20683, 32960), (21424, 31820), (22145, 30784), (22360, 30488), (25456, 26780)]