255781680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13841}}^1$

素因数の和:13875

約数の個数: 160

約数和(自身を含む): 988651008

約数和(自身を除く): 732869328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1848, 2310, 2640, 3080, 3696, 4620, 6160, 9240, 13841, 18480, 27682, 41523, 55364, 69205, 83046, 96887, 110728, 138410, 152251, 166092, 193774, 207615, 221456, 276820, 290661, 304502, 332184, 387548, 415230, 456753, 484435, 553640, 581322, 609004, 664368, 761255, 775096, 830460, 913506, 968870, 1065757, 1107280, 1162644, 1218008, 1453305, 1522510, 1550192, 1660920, 1827012, 1937740, 2131514, 2283765, 2325288, 2436016, 2906610, 3045020, 3197271, 3321840, 3654024, 3875480, 4263028, 4567530, 4650576, 5328785, 5813220, 6090040, 6394542, 7308048, 7750960, 8526056, 9135060, 10657570, 11626440, 12180080, 12789084, 15986355, 17052112, 18270120, 21315140, 23252880, 25578168, 31972710, 36540240, 42630280, 51156336, 63945420, 85260560, 127890840, 255781680]

約数ペア:

[(1, 255781680), (2, 127890840), (3, 85260560), (4, 63945420), (5, 51156336), (6, 42630280), (7, 36540240), (8, 31972710), (10, 25578168), (11, 23252880), (12, 21315140), (14, 18270120), (15, 17052112), (16, 15986355), (20, 12789084), (21, 12180080), (22, 11626440), (24, 10657570), (28, 9135060), (30, 8526056), (33, 7750960), (35, 7308048), (40, 6394542), (42, 6090040), (44, 5813220), (48, 5328785), (55, 4650576), (56, 4567530), (60, 4263028), (66, 3875480), (70, 3654024), (77, 3321840), (80, 3197271), (84, 3045020), (88, 2906610), (105, 2436016), (110, 2325288), (112, 2283765), (120, 2131514), (132, 1937740), (140, 1827012), (154, 1660920), (165, 1550192), (168, 1522510), (176, 1453305), (210, 1218008), (220, 1162644), (231, 1107280), (240, 1065757), (264, 968870), (280, 913506), (308, 830460), (330, 775096), (336, 761255), (385, 664368), (420, 609004), (440, 581322), (462, 553640), (528, 484435), (560, 456753), (616, 415230), (660, 387548), (770, 332184), (840, 304502), (880, 290661), (924, 276820), (1155, 221456), (1232, 207615), (1320, 193774), (1540, 166092), (1680, 152251), (1848, 138410), (2310, 110728), (2640, 96887), (3080, 83046), (3696, 69205), (4620, 55364), (6160, 41523), (9240, 27682), (13841, 18480)]