257294016

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 224

約数和(自身を含む): 877824000

約数和(自身を除く): 620529984

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, 64, 72, 84, 89, 96, 108, 112, 126, 144, 168, 178, 189, 192, 216, 224, 239, 252, 267, 288, 336, 356, 378, 432, 448, 478, 504, 534, 576, 623, 672, 712, 717, 756, 801, 864, 956, 1008, 1068, 1246, 1344, 1424, 1434, 1512, 1602, 1673, 1728, 1869, 1912, 2016, 2136, 2151, 2403, 2492, 2848, 2868, 3024, 3204, 3346, 3738, 3824, 4032, 4272, 4302, 4806, 4984, 5019, 5607, 5696, 5736, 6048, 6408, 6453, 6692, 7476, 7648, 8544, 8604, 9612, 9968, 10038, 11214, 11472, 12096, 12816, 12906, 13384, 14952, 15057, 15296, 16821, 17088, 17208, 19224, 19936, 20076, 21271, 22428, 22944, 25632, 25812, 26768, 29904, 30114, 33642, 34416, 38448, 39872, 40152, 42542, 44856, 45171, 45888, 51264, 51624, 53536, 59808, 60228, 63813, 67284, 68832, 76896, 80304, 85084, 89712, 90342, 103248, 107072, 119616, 120456, 127626, 134568, 137664, 148897, 153792, 160608, 170168, 179424, 180684, 191439, 206496, 240912, 255252, 269136, 297794, 321216, 340336, 358848, 361368, 382878, 412992, 446691, 481824, 510504, 538272, 574317, 595588, 680672, 722736, 765756, 893382, 963648, 1021008, 1076544, 1148634, 1191176, 1340073, 1361344, 1445472, 1531512, 1786764, 2042016, 2297268, 2382352, 2680146, 2890944, 3063024, 3573528, 4020219, 4084032, 4594536, 4764704, 5360292, 6126048, 7147056, 8040438, 9189072, 9529408, 10720584, 12252096, 14294112, 16080876, 18378144, 21441168, 28588224, 32161752, 36756288, 42882336, 64323504, 85764672, 128647008, 257294016]

約数ペア:

[(1, 257294016), (2, 128647008), (3, 85764672), (4, 64323504), (6, 42882336), (7, 36756288), (8, 32161752), (9, 28588224), (12, 21441168), (14, 18378144), (16, 16080876), (18, 14294112), (21, 12252096), (24, 10720584), (27, 9529408), (28, 9189072), (32, 8040438), (36, 7147056), (42, 6126048), (48, 5360292), (54, 4764704), (56, 4594536), (63, 4084032), (64, 4020219), (72, 3573528), (84, 3063024), (89, 2890944), (96, 2680146), (108, 2382352), (112, 2297268), (126, 2042016), (144, 1786764), (168, 1531512), (178, 1445472), (189, 1361344), (192, 1340073), (216, 1191176), (224, 1148634), (239, 1076544), (252, 1021008), (267, 963648), (288, 893382), (336, 765756), (356, 722736), (378, 680672), (432, 595588), (448, 574317), (478, 538272), (504, 510504), (534, 481824), (576, 446691), (623, 412992), (672, 382878), (712, 361368), (717, 358848), (756, 340336), (801, 321216), (864, 297794), (956, 269136), (1008, 255252), (1068, 240912), (1246, 206496), (1344, 191439), (1424, 180684), (1434, 179424), (1512, 170168), (1602, 160608), (1673, 153792), (1728, 148897), (1869, 137664), (1912, 134568), (2016, 127626), (2136, 120456), (2151, 119616), (2403, 107072), (2492, 103248), (2848, 90342), (2868, 89712), (3024, 85084), (3204, 80304), (3346, 76896), (3738, 68832), (3824, 67284), (4032, 63813), (4272, 60228), (4302, 59808), (4806, 53536), (4984, 51624), (5019, 51264), (5607, 45888), (5696, 45171), (5736, 44856), (6048, 42542), (6408, 40152), (6453, 39872), (6692, 38448), (7476, 34416), (7648, 33642), (8544, 30114), (8604, 29904), (9612, 26768), (9968, 25812), (10038, 25632), (11214, 22944), (11472, 22428), (12096, 21271), (12816, 20076), (12906, 19936), (13384, 19224), (14952, 17208), (15057, 17088), (15296, 16821)]