81652560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 279303552

約数和(自身を除く): 197650992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 157, 165, 176, 197, 220, 240, 264, 314, 330, 394, 440, 471, 528, 591, 628, 660, 785, 788, 880, 942, 985, 1182, 1256, 1320, 1570, 1576, 1727, 1884, 1970, 2167, 2355, 2364, 2512, 2640, 2955, 3140, 3152, 3454, 3768, 3940, 4334, 4710, 4728, 5181, 5910, 6280, 6501, 6908, 7536, 7880, 8635, 8668, 9420, 9456, 10362, 10835, 11820, 12560, 13002, 13816, 15760, 17270, 17336, 18840, 20724, 21670, 23640, 25905, 26004, 27632, 30929, 32505, 34540, 34672, 37680, 41448, 43340, 47280, 51810, 52008, 61858, 65010, 69080, 82896, 86680, 92787, 103620, 104016, 123716, 130020, 138160, 154645, 173360, 185574, 207240, 247432, 260040, 309290, 340219, 371148, 414480, 463935, 494864, 520080, 618580, 680438, 742296, 927870, 1020657, 1237160, 1360876, 1484592, 1701095, 1855740, 2041314, 2474320, 2721752, 3402190, 3711480, 4082628, 5103285, 5443504, 6804380, 7422960, 8165256, 10206570, 13608760, 16330512, 20413140, 27217520, 40826280, 81652560]

約数ペア:

[(1, 81652560), (2, 40826280), (3, 27217520), (4, 20413140), (5, 16330512), (6, 13608760), (8, 10206570), (10, 8165256), (11, 7422960), (12, 6804380), (15, 5443504), (16, 5103285), (20, 4082628), (22, 3711480), (24, 3402190), (30, 2721752), (33, 2474320), (40, 2041314), (44, 1855740), (48, 1701095), (55, 1484592), (60, 1360876), (66, 1237160), (80, 1020657), (88, 927870), (110, 742296), (120, 680438), (132, 618580), (157, 520080), (165, 494864), (176, 463935), (197, 414480), (220, 371148), (240, 340219), (264, 309290), (314, 260040), (330, 247432), (394, 207240), (440, 185574), (471, 173360), (528, 154645), (591, 138160), (628, 130020), (660, 123716), (785, 104016), (788, 103620), (880, 92787), (942, 86680), (985, 82896), (1182, 69080), (1256, 65010), (1320, 61858), (1570, 52008), (1576, 51810), (1727, 47280), (1884, 43340), (1970, 41448), (2167, 37680), (2355, 34672), (2364, 34540), (2512, 32505), (2640, 30929), (2955, 27632), (3140, 26004), (3152, 25905), (3454, 23640), (3768, 21670), (3940, 20724), (4334, 18840), (4710, 17336), (4728, 17270), (5181, 15760), (5910, 13816), (6280, 13002), (6501, 12560), (6908, 11820), (7536, 10835), (7880, 10362), (8635, 9456), (8668, 9420)]