66806640

素因数分解:

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

素因数の和:376

約数の個数: 160

約数和(自身を含む): 232752960

約数和(自身を除く): 165946320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 157, 180, 197, 216, 240, 270, 314, 360, 394, 432, 471, 540, 591, 628, 720, 785, 788, 942, 985, 1080, 1182, 1256, 1413, 1570, 1576, 1773, 1884, 1970, 2160, 2355, 2364, 2512, 2826, 2955, 3140, 3152, 3546, 3768, 3940, 4239, 4710, 4728, 5319, 5652, 5910, 6280, 7065, 7092, 7536, 7880, 8478, 8865, 9420, 9456, 10638, 11304, 11820, 12560, 14130, 14184, 15760, 16956, 17730, 18840, 21195, 21276, 22608, 23640, 26595, 28260, 28368, 30929, 33912, 35460, 37680, 42390, 42552, 47280, 53190, 56520, 61858, 67824, 70920, 84780, 85104, 92787, 106380, 113040, 123716, 141840, 154645, 169560, 185574, 212760, 247432, 278361, 309290, 339120, 371148, 425520, 463935, 494864, 556722, 618580, 742296, 835083, 927870, 1113444, 1237160, 1391805, 1484592, 1670166, 1855740, 2226888, 2474320, 2783610, 3340332, 3711480, 4175415, 4453776, 5567220, 6680664, 7422960, 8350830, 11134440, 13361328, 16701660, 22268880, 33403320, 66806640]

約数ペア:

[(1, 66806640), (2, 33403320), (3, 22268880), (4, 16701660), (5, 13361328), (6, 11134440), (8, 8350830), (9, 7422960), (10, 6680664), (12, 5567220), (15, 4453776), (16, 4175415), (18, 3711480), (20, 3340332), (24, 2783610), (27, 2474320), (30, 2226888), (36, 1855740), (40, 1670166), (45, 1484592), (48, 1391805), (54, 1237160), (60, 1113444), (72, 927870), (80, 835083), (90, 742296), (108, 618580), (120, 556722), (135, 494864), (144, 463935), (157, 425520), (180, 371148), (197, 339120), (216, 309290), (240, 278361), (270, 247432), (314, 212760), (360, 185574), (394, 169560), (432, 154645), (471, 141840), (540, 123716), (591, 113040), (628, 106380), (720, 92787), (785, 85104), (788, 84780), (942, 70920), (985, 67824), (1080, 61858), (1182, 56520), (1256, 53190), (1413, 47280), (1570, 42552), (1576, 42390), (1773, 37680), (1884, 35460), (1970, 33912), (2160, 30929), (2355, 28368), (2364, 28260), (2512, 26595), (2826, 23640), (2955, 22608), (3140, 21276), (3152, 21195), (3546, 18840), (3768, 17730), (3940, 16956), (4239, 15760), (4710, 14184), (4728, 14130), (5319, 12560), (5652, 11820), (5910, 11304), (6280, 10638), (7065, 9456), (7092, 9420), (7536, 8865), (7880, 8478)]