1389643040

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 3549401856

約数和(自身を除く): 2159758816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 53, 74, 80, 86, 103, 106, 148, 160, 172, 185, 206, 212, 215, 265, 296, 344, 370, 412, 424, 430, 515, 530, 592, 688, 740, 824, 848, 860, 1030, 1060, 1184, 1376, 1480, 1591, 1648, 1696, 1720, 1961, 2060, 2120, 2279, 2960, 3182, 3296, 3440, 3811, 3922, 4120, 4240, 4429, 4558, 5459, 5920, 6364, 6880, 7622, 7844, 7955, 8240, 8480, 8858, 9116, 9805, 10918, 11395, 12728, 15244, 15688, 15910, 16480, 17716, 18232, 19055, 19610, 21836, 22145, 22790, 25456, 27295, 30488, 31376, 31820, 35432, 36464, 38110, 39220, 43672, 44290, 45580, 50912, 54590, 60976, 62752, 63640, 70864, 72928, 76220, 78440, 84323, 87344, 88580, 91160, 109180, 121952, 127280, 141728, 152440, 156880, 163873, 168646, 174688, 177160, 182320, 201983, 218360, 234737, 254560, 304880, 313760, 327746, 337292, 354320, 364640, 403966, 421615, 436720, 469474, 609760, 655492, 674584, 708640, 807932, 819365, 843230, 873440, 938948, 1009915, 1173685, 1310984, 1349168, 1615864, 1638730, 1686460, 1877896, 2019830, 2347370, 2621968, 2698336, 3231728, 3277460, 3372920, 3755792, 4039660, 4694740, 5243936, 6463456, 6554920, 6745840, 7511584, 8079320, 8685269, 9389480, 13109840, 13491680, 16158640, 17370538, 18778960, 26219680, 32317280, 34741076, 37557920, 43426345, 69482152, 86852690, 138964304, 173705380, 277928608, 347410760, 694821520, 1389643040]

約数ペア:

[(1, 1389643040), (2, 694821520), (4, 347410760), (5, 277928608), (8, 173705380), (10, 138964304), (16, 86852690), (20, 69482152), (32, 43426345), (37, 37557920), (40, 34741076), (43, 32317280), (53, 26219680), (74, 18778960), (80, 17370538), (86, 16158640), (103, 13491680), (106, 13109840), (148, 9389480), (160, 8685269), (172, 8079320), (185, 7511584), (206, 6745840), (212, 6554920), (215, 6463456), (265, 5243936), (296, 4694740), (344, 4039660), (370, 3755792), (412, 3372920), (424, 3277460), (430, 3231728), (515, 2698336), (530, 2621968), (592, 2347370), (688, 2019830), (740, 1877896), (824, 1686460), (848, 1638730), (860, 1615864), (1030, 1349168), (1060, 1310984), (1184, 1173685), (1376, 1009915), (1480, 938948), (1591, 873440), (1648, 843230), (1696, 819365), (1720, 807932), (1961, 708640), (2060, 674584), (2120, 655492), (2279, 609760), (2960, 469474), (3182, 436720), (3296, 421615), (3440, 403966), (3811, 364640), (3922, 354320), (4120, 337292), (4240, 327746), (4429, 313760), (4558, 304880), (5459, 254560), (5920, 234737), (6364, 218360), (6880, 201983), (7622, 182320), (7844, 177160), (7955, 174688), (8240, 168646), (8480, 163873), (8858, 156880), (9116, 152440), (9805, 141728), (10918, 127280), (11395, 121952), (12728, 109180), (15244, 91160), (15688, 88580), (15910, 87344), (16480, 84323), (17716, 78440), (18232, 76220), (19055, 72928), (19610, 70864), (21836, 63640), (22145, 62752), (22790, 60976), (25456, 54590), (27295, 50912), (30488, 45580), (31376, 44290), (31820, 43672), (35432, 39220), (36464, 38110)]