1890219520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 5211505728

約数和(自身を除く): 3321286208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 313, 320, 337, 448, 512, 560, 626, 640, 674, 896, 1120, 1252, 1280, 1348, 1565, 1685, 1792, 2191, 2240, 2359, 2504, 2560, 2696, 3130, 3370, 3584, 4382, 4480, 4718, 5008, 5392, 6260, 6740, 8764, 8960, 9436, 10016, 10784, 10955, 11795, 12520, 13480, 17528, 17920, 18872, 20032, 21568, 21910, 23590, 25040, 26960, 35056, 37744, 40064, 43136, 43820, 47180, 50080, 53920, 70112, 75488, 80128, 86272, 87640, 94360, 100160, 105481, 107840, 140224, 150976, 160256, 172544, 175280, 188720, 200320, 210962, 215680, 280448, 301952, 350560, 377440, 400640, 421924, 431360, 527405, 560896, 603904, 701120, 738367, 754880, 801280, 843848, 862720, 1054810, 1121792, 1207808, 1402240, 1476734, 1509760, 1687696, 2109620, 2804480, 2953468, 3019520, 3375392, 3691835, 4219240, 5608960, 5906936, 6039040, 6750784, 7383670, 8438480, 11813872, 13501568, 14767340, 16876960, 23627744, 27003136, 29534680, 33753920, 47255488, 54006272, 59069360, 67507840, 94510976, 118138720, 135015680, 189021952, 236277440, 270031360, 378043904, 472554880, 945109760, 1890219520]

約数ペア:

[(1, 1890219520), (2, 945109760), (4, 472554880), (5, 378043904), (7, 270031360), (8, 236277440), (10, 189021952), (14, 135015680), (16, 118138720), (20, 94510976), (28, 67507840), (32, 59069360), (35, 54006272), (40, 47255488), (56, 33753920), (64, 29534680), (70, 27003136), (80, 23627744), (112, 16876960), (128, 14767340), (140, 13501568), (160, 11813872), (224, 8438480), (256, 7383670), (280, 6750784), (313, 6039040), (320, 5906936), (337, 5608960), (448, 4219240), (512, 3691835), (560, 3375392), (626, 3019520), (640, 2953468), (674, 2804480), (896, 2109620), (1120, 1687696), (1252, 1509760), (1280, 1476734), (1348, 1402240), (1565, 1207808), (1685, 1121792), (1792, 1054810), (2191, 862720), (2240, 843848), (2359, 801280), (2504, 754880), (2560, 738367), (2696, 701120), (3130, 603904), (3370, 560896), (3584, 527405), (4382, 431360), (4480, 421924), (4718, 400640), (5008, 377440), (5392, 350560), (6260, 301952), (6740, 280448), (8764, 215680), (8960, 210962), (9436, 200320), (10016, 188720), (10784, 175280), (10955, 172544), (11795, 160256), (12520, 150976), (13480, 140224), (17528, 107840), (17920, 105481), (18872, 100160), (20032, 94360), (21568, 87640), (21910, 86272), (23590, 80128), (25040, 75488), (26960, 70112), (35056, 53920), (37744, 50080), (40064, 47180), (43136, 43820)]