61668880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 181488384

約数和(自身を除く): 119819504

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 197, 208, 215, 260, 280, 301, 344, 364, 394, 430, 455, 520, 559, 560, 602, 688, 728, 788, 860, 910, 985, 1040, 1118, 1204, 1379, 1456, 1505, 1576, 1720, 1820, 1970, 2236, 2408, 2561, 2758, 2795, 3010, 3152, 3440, 3640, 3913, 3940, 4472, 4816, 5122, 5516, 5590, 6020, 6895, 7280, 7826, 7880, 8471, 8944, 10244, 11032, 11180, 12040, 12805, 13790, 15652, 15760, 16942, 17927, 19565, 20488, 22064, 22360, 24080, 25610, 27580, 31304, 33884, 35854, 39130, 40976, 42355, 44720, 51220, 55160, 59297, 62608, 67768, 71708, 78260, 84710, 89635, 102440, 110123, 110320, 118594, 135536, 143416, 156520, 169420, 179270, 204880, 220246, 237188, 286832, 296485, 313040, 338840, 358540, 440492, 474376, 550615, 592970, 677680, 717080, 770861, 880984, 948752, 1101230, 1185940, 1434160, 1541722, 1761968, 2202460, 2371880, 3083444, 3854305, 4404920, 4743760, 6166888, 7708610, 8809840, 12333776, 15417220, 30834440, 61668880]

約数ペア:

[(1, 61668880), (2, 30834440), (4, 15417220), (5, 12333776), (7, 8809840), (8, 7708610), (10, 6166888), (13, 4743760), (14, 4404920), (16, 3854305), (20, 3083444), (26, 2371880), (28, 2202460), (35, 1761968), (40, 1541722), (43, 1434160), (52, 1185940), (56, 1101230), (65, 948752), (70, 880984), (80, 770861), (86, 717080), (91, 677680), (104, 592970), (112, 550615), (130, 474376), (140, 440492), (172, 358540), (182, 338840), (197, 313040), (208, 296485), (215, 286832), (260, 237188), (280, 220246), (301, 204880), (344, 179270), (364, 169420), (394, 156520), (430, 143416), (455, 135536), (520, 118594), (559, 110320), (560, 110123), (602, 102440), (688, 89635), (728, 84710), (788, 78260), (860, 71708), (910, 67768), (985, 62608), (1040, 59297), (1118, 55160), (1204, 51220), (1379, 44720), (1456, 42355), (1505, 40976), (1576, 39130), (1720, 35854), (1820, 33884), (1970, 31304), (2236, 27580), (2408, 25610), (2561, 24080), (2758, 22360), (2795, 22064), (3010, 20488), (3152, 19565), (3440, 17927), (3640, 16942), (3913, 15760), (3940, 15652), (4472, 13790), (4816, 12805), (5122, 12040), (5516, 11180), (5590, 11032), (6020, 10244), (6895, 8944), (7280, 8471), (7826, 7880)]