420115968

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 240

約数和(自身を含む): 1332878976

約数和(自身を除く): 912763008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 64, 68, 72, 93, 96, 102, 124, 128, 136, 144, 153, 173, 186, 192, 204, 248, 256, 272, 279, 288, 306, 346, 372, 384, 408, 496, 512, 519, 527, 544, 558, 576, 612, 692, 744, 768, 816, 992, 1038, 1054, 1088, 1116, 1152, 1224, 1384, 1488, 1536, 1557, 1581, 1632, 1984, 2076, 2108, 2176, 2232, 2304, 2448, 2768, 2941, 2976, 3114, 3162, 3264, 3968, 4152, 4216, 4352, 4464, 4608, 4743, 4896, 5363, 5536, 5882, 5952, 6228, 6324, 6528, 7936, 8304, 8432, 8704, 8823, 8928, 9486, 9792, 10726, 11072, 11764, 11904, 12456, 12648, 13056, 15872, 16089, 16608, 16864, 17646, 17856, 18972, 19584, 21452, 22144, 23528, 23808, 24912, 25296, 26112, 26469, 32178, 33216, 33728, 35292, 35712, 37944, 39168, 42904, 44288, 47056, 47616, 48267, 49824, 50592, 52938, 64356, 66432, 67456, 70584, 71424, 75888, 78336, 85808, 88576, 91171, 94112, 96534, 99648, 101184, 105876, 128712, 132864, 134912, 141168, 142848, 151776, 171616, 182342, 188224, 193068, 199296, 202368, 211752, 257424, 265728, 269824, 273513, 282336, 303552, 343232, 364684, 376448, 386136, 398592, 404736, 423504, 514848, 547026, 564672, 607104, 686464, 729368, 752896, 772272, 797184, 809472, 820539, 847008, 1029696, 1094052, 1129344, 1214208, 1372928, 1458736, 1505792, 1544544, 1641078, 1694016, 2059392, 2188104, 2258688, 2428416, 2745856, 2917472, 3089088, 3282156, 3388032, 4118784, 4376208, 4517376, 5834944, 6178176, 6564312, 6776064, 8237568, 8752416, 11669888, 12356352, 13128624, 13552128, 17504832, 23339776, 24712704, 26257248, 35009664, 46679552, 52514496, 70019328, 105028992, 140038656, 210057984, 420115968]

約数ペア:

[(1, 420115968), (2, 210057984), (3, 140038656), (4, 105028992), (6, 70019328), (8, 52514496), (9, 46679552), (12, 35009664), (16, 26257248), (17, 24712704), (18, 23339776), (24, 17504832), (31, 13552128), (32, 13128624), (34, 12356352), (36, 11669888), (48, 8752416), (51, 8237568), (62, 6776064), (64, 6564312), (68, 6178176), (72, 5834944), (93, 4517376), (96, 4376208), (102, 4118784), (124, 3388032), (128, 3282156), (136, 3089088), (144, 2917472), (153, 2745856), (173, 2428416), (186, 2258688), (192, 2188104), (204, 2059392), (248, 1694016), (256, 1641078), (272, 1544544), (279, 1505792), (288, 1458736), (306, 1372928), (346, 1214208), (372, 1129344), (384, 1094052), (408, 1029696), (496, 847008), (512, 820539), (519, 809472), (527, 797184), (544, 772272), (558, 752896), (576, 729368), (612, 686464), (692, 607104), (744, 564672), (768, 547026), (816, 514848), (992, 423504), (1038, 404736), (1054, 398592), (1088, 386136), (1116, 376448), (1152, 364684), (1224, 343232), (1384, 303552), (1488, 282336), (1536, 273513), (1557, 269824), (1581, 265728), (1632, 257424), (1984, 211752), (2076, 202368), (2108, 199296), (2176, 193068), (2232, 188224), (2304, 182342), (2448, 171616), (2768, 151776), (2941, 142848), (2976, 141168), (3114, 134912), (3162, 132864), (3264, 128712), (3968, 105876), (4152, 101184), (4216, 99648), (4352, 96534), (4464, 94112), (4608, 91171), (4743, 88576), (4896, 85808), (5363, 78336), (5536, 75888), (5882, 71424), (5952, 70584), (6228, 67456), (6324, 66432), (6528, 64356), (7936, 52938), (8304, 50592), (8432, 49824), (8704, 48267), (8823, 47616), (8928, 47056), (9486, 44288), (9792, 42904), (10726, 39168), (11072, 37944), (11764, 35712), (11904, 35292), (12456, 33728), (12648, 33216), (13056, 32178), (15872, 26469), (16089, 26112), (16608, 25296), (16864, 24912), (17646, 23808), (17856, 23528), (18972, 22144), (19584, 21452)]