261533664

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 883975680

約数和(自身を除く): 622442016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 83, 84, 96, 108, 112, 126, 144, 166, 168, 189, 216, 224, 249, 252, 288, 332, 336, 378, 432, 498, 504, 521, 581, 664, 672, 747, 756, 864, 996, 1008, 1042, 1162, 1328, 1494, 1512, 1563, 1743, 1992, 2016, 2084, 2241, 2324, 2656, 2988, 3024, 3126, 3486, 3647, 3984, 4168, 4482, 4648, 4689, 5229, 5976, 6048, 6252, 6972, 7294, 7968, 8336, 8964, 9296, 9378, 10458, 10941, 11952, 12504, 13944, 14067, 14588, 15687, 16672, 17928, 18592, 18756, 20916, 21882, 23904, 25008, 27888, 28134, 29176, 31374, 32823, 35856, 37512, 41832, 43243, 43764, 50016, 55776, 56268, 58352, 62748, 65646, 71712, 75024, 83664, 86486, 87528, 98469, 112536, 116704, 125496, 129729, 131292, 150048, 167328, 172972, 175056, 196938, 225072, 250992, 259458, 262584, 302701, 345944, 350112, 389187, 393876, 450144, 501984, 518916, 525168, 605402, 691888, 778374, 787752, 908103, 1037832, 1050336, 1167561, 1210804, 1383776, 1556748, 1575504, 1816206, 2075664, 2335122, 2421608, 2724309, 3113496, 3151008, 3632412, 4151328, 4670244, 4843216, 5448618, 6226992, 7264824, 8172927, 9340488, 9686432, 10897236, 12453984, 14529648, 16345854, 18680976, 21794472, 29059296, 32691708, 37361952, 43588944, 65383416, 87177888, 130766832, 261533664]

約数ペア:

[(1, 261533664), (2, 130766832), (3, 87177888), (4, 65383416), (6, 43588944), (7, 37361952), (8, 32691708), (9, 29059296), (12, 21794472), (14, 18680976), (16, 16345854), (18, 14529648), (21, 12453984), (24, 10897236), (27, 9686432), (28, 9340488), (32, 8172927), (36, 7264824), (42, 6226992), (48, 5448618), (54, 4843216), (56, 4670244), (63, 4151328), (72, 3632412), (83, 3151008), (84, 3113496), (96, 2724309), (108, 2421608), (112, 2335122), (126, 2075664), (144, 1816206), (166, 1575504), (168, 1556748), (189, 1383776), (216, 1210804), (224, 1167561), (249, 1050336), (252, 1037832), (288, 908103), (332, 787752), (336, 778374), (378, 691888), (432, 605402), (498, 525168), (504, 518916), (521, 501984), (581, 450144), (664, 393876), (672, 389187), (747, 350112), (756, 345944), (864, 302701), (996, 262584), (1008, 259458), (1042, 250992), (1162, 225072), (1328, 196938), (1494, 175056), (1512, 172972), (1563, 167328), (1743, 150048), (1992, 131292), (2016, 129729), (2084, 125496), (2241, 116704), (2324, 112536), (2656, 98469), (2988, 87528), (3024, 86486), (3126, 83664), (3486, 75024), (3647, 71712), (3984, 65646), (4168, 62748), (4482, 58352), (4648, 56268), (4689, 55776), (5229, 50016), (5976, 43764), (6048, 43243), (6252, 41832), (6972, 37512), (7294, 35856), (7968, 32823), (8336, 31374), (8964, 29176), (9296, 28134), (9378, 27888), (10458, 25008), (10941, 23904), (11952, 21882), (12504, 20916), (13944, 18756), (14067, 18592), (14588, 17928), (15687, 16672)]