642582080

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 168

約数和(自身を含む): 1801294848

約数和(自身を除く): 1158712768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 107, 112, 140, 160, 196, 214, 224, 245, 280, 320, 383, 392, 428, 448, 490, 535, 560, 749, 766, 784, 856, 980, 1070, 1120, 1498, 1532, 1568, 1712, 1915, 1960, 2140, 2240, 2681, 2996, 3064, 3136, 3424, 3745, 3830, 3920, 4280, 5243, 5362, 5992, 6128, 6848, 7490, 7660, 7840, 8560, 10486, 10724, 11984, 12256, 13405, 14980, 15320, 15680, 17120, 18767, 20972, 21448, 23968, 24512, 26215, 26810, 29960, 30640, 34240, 37534, 40981, 41944, 42896, 47936, 52430, 53620, 59920, 61280, 75068, 81962, 83888, 85792, 93835, 104860, 107240, 119840, 122560, 150136, 163924, 167776, 171584, 187670, 204905, 209720, 214480, 239680, 286867, 300272, 327848, 335552, 375340, 409810, 419440, 428960, 573734, 600544, 655696, 750680, 819620, 838880, 857920, 1147468, 1201088, 1311392, 1434335, 1501360, 1639240, 1677760, 2008069, 2294936, 2622784, 2868670, 3002720, 3278480, 4016138, 4589872, 5737340, 6005440, 6556960, 8032276, 9179744, 10040345, 11474680, 13113920, 16064552, 18359488, 20080690, 22949360, 32129104, 40161380, 45898720, 64258208, 80322760, 91797440, 128516416, 160645520, 321291040, 642582080]

約数ペア:

[(1, 642582080), (2, 321291040), (4, 160645520), (5, 128516416), (7, 91797440), (8, 80322760), (10, 64258208), (14, 45898720), (16, 40161380), (20, 32129104), (28, 22949360), (32, 20080690), (35, 18359488), (40, 16064552), (49, 13113920), (56, 11474680), (64, 10040345), (70, 9179744), (80, 8032276), (98, 6556960), (107, 6005440), (112, 5737340), (140, 4589872), (160, 4016138), (196, 3278480), (214, 3002720), (224, 2868670), (245, 2622784), (280, 2294936), (320, 2008069), (383, 1677760), (392, 1639240), (428, 1501360), (448, 1434335), (490, 1311392), (535, 1201088), (560, 1147468), (749, 857920), (766, 838880), (784, 819620), (856, 750680), (980, 655696), (1070, 600544), (1120, 573734), (1498, 428960), (1532, 419440), (1568, 409810), (1712, 375340), (1915, 335552), (1960, 327848), (2140, 300272), (2240, 286867), (2681, 239680), (2996, 214480), (3064, 209720), (3136, 204905), (3424, 187670), (3745, 171584), (3830, 167776), (3920, 163924), (4280, 150136), (5243, 122560), (5362, 119840), (5992, 107240), (6128, 104860), (6848, 93835), (7490, 85792), (7660, 83888), (7840, 81962), (8560, 75068), (10486, 61280), (10724, 59920), (11984, 53620), (12256, 52430), (13405, 47936), (14980, 42896), (15320, 41944), (15680, 40981), (17120, 37534), (18767, 34240), (20972, 30640), (21448, 29960), (23968, 26810), (24512, 26215)]