66821220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 228614400

約数和(自身を除く): 161793180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 29, 30, 34, 36, 45, 51, 54, 58, 60, 68, 85, 87, 90, 102, 108, 116, 135, 145, 153, 170, 174, 180, 204, 251, 255, 261, 270, 290, 306, 340, 348, 435, 459, 493, 502, 510, 522, 540, 580, 612, 753, 765, 783, 870, 918, 986, 1004, 1020, 1044, 1255, 1305, 1479, 1506, 1530, 1566, 1740, 1836, 1972, 2259, 2295, 2465, 2510, 2610, 2958, 3012, 3060, 3132, 3765, 3915, 4267, 4437, 4518, 4590, 4930, 5020, 5220, 5916, 6777, 7279, 7395, 7530, 7830, 8534, 8874, 9036, 9180, 9860, 11295, 12801, 13311, 13554, 14558, 14790, 15060, 15660, 17068, 17748, 21335, 21837, 22185, 22590, 25602, 26622, 27108, 29116, 29580, 33885, 36395, 38403, 42670, 43674, 44370, 45180, 51204, 53244, 64005, 65511, 66555, 67770, 72790, 76806, 85340, 87348, 88740, 109185, 115209, 123743, 128010, 131022, 133110, 135540, 145580, 153612, 192015, 196533, 218370, 230418, 247486, 256020, 262044, 266220, 327555, 371229, 384030, 393066, 436740, 460836, 494972, 576045, 618715, 655110, 742458, 768060, 786132, 982665, 1113687, 1152090, 1237430, 1310220, 1484916, 1856145, 1965330, 2227374, 2304180, 2474860, 3341061, 3712290, 3930660, 4454748, 5568435, 6682122, 7424580, 11136870, 13364244, 16705305, 22273740, 33410610, 66821220]

約数ペア:

[(1, 66821220), (2, 33410610), (3, 22273740), (4, 16705305), (5, 13364244), (6, 11136870), (9, 7424580), (10, 6682122), (12, 5568435), (15, 4454748), (17, 3930660), (18, 3712290), (20, 3341061), (27, 2474860), (29, 2304180), (30, 2227374), (34, 1965330), (36, 1856145), (45, 1484916), (51, 1310220), (54, 1237430), (58, 1152090), (60, 1113687), (68, 982665), (85, 786132), (87, 768060), (90, 742458), (102, 655110), (108, 618715), (116, 576045), (135, 494972), (145, 460836), (153, 436740), (170, 393066), (174, 384030), (180, 371229), (204, 327555), (251, 266220), (255, 262044), (261, 256020), (270, 247486), (290, 230418), (306, 218370), (340, 196533), (348, 192015), (435, 153612), (459, 145580), (493, 135540), (502, 133110), (510, 131022), (522, 128010), (540, 123743), (580, 115209), (612, 109185), (753, 88740), (765, 87348), (783, 85340), (870, 76806), (918, 72790), (986, 67770), (1004, 66555), (1020, 65511), (1044, 64005), (1255, 53244), (1305, 51204), (1479, 45180), (1506, 44370), (1530, 43674), (1566, 42670), (1740, 38403), (1836, 36395), (1972, 33885), (2259, 29580), (2295, 29116), (2465, 27108), (2510, 26622), (2610, 25602), (2958, 22590), (3012, 22185), (3060, 21837), (3132, 21335), (3765, 17748), (3915, 17068), (4267, 15660), (4437, 15060), (4518, 14790), (4590, 14558), (4930, 13554), (5020, 13311), (5220, 12801), (5916, 11295), (6777, 9860), (7279, 9180), (7395, 9036), (7530, 8874), (7830, 8534)]