251512128

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 280

約数和(自身を含む): 885139200

約数和(自身を除く): 633627072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 64, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 192, 203, 216, 224, 232, 239, 252, 261, 288, 324, 336, 348, 378, 406, 432, 448, 464, 478, 504, 522, 567, 576, 609, 648, 672, 696, 717, 756, 783, 812, 864, 928, 956, 1008, 1044, 1134, 1218, 1296, 1344, 1392, 1434, 1512, 1566, 1624, 1673, 1728, 1827, 1856, 1912, 2016, 2088, 2151, 2268, 2349, 2436, 2592, 2784, 2868, 3024, 3132, 3248, 3346, 3654, 3824, 4032, 4176, 4302, 4536, 4698, 4872, 5019, 5184, 5481, 5568, 5736, 6048, 6264, 6453, 6496, 6692, 6931, 7308, 7648, 8352, 8604, 9072, 9396, 9744, 10038, 10962, 11472, 12096, 12528, 12906, 12992, 13384, 13862, 14616, 15057, 15296, 16443, 16704, 17208, 18144, 18792, 19359, 19488, 20076, 20793, 21924, 22944, 25056, 25812, 26768, 27724, 29232, 30114, 32886, 34416, 36288, 37584, 38718, 38976, 40152, 41586, 43848, 45171, 45888, 48517, 50112, 51624, 53536, 55448, 58464, 60228, 62379, 65772, 68832, 75168, 77436, 80304, 83172, 87696, 90342, 97034, 103248, 107072, 110896, 116928, 120456, 124758, 131544, 135513, 137664, 145551, 150336, 154872, 160608, 166344, 175392, 180684, 187137, 194068, 206496, 221792, 240912, 249516, 263088, 271026, 291102, 309744, 321216, 332688, 350784, 361368, 374274, 388136, 412992, 436653, 443584, 481824, 499032, 526176, 542052, 561411, 582204, 619488, 665376, 722736, 748548, 776272, 873306, 963648, 998064, 1052352, 1084104, 1122822, 1164408, 1238976, 1309959, 1330752, 1445472, 1497096, 1552544, 1746612, 1996128, 2168208, 2245644, 2328816, 2619918, 2890944, 2994192, 3105088, 3493224, 3929877, 3992256, 4336416, 4491288, 4657632, 5239836, 5988384, 6986448, 7859754, 8672832, 8982576, 9315264, 10479672, 11976768, 13972896, 15719508, 17965152, 20959344, 27945792, 31439016, 35930304, 41918688, 62878032, 83837376, 125756064, 251512128]

約数ペア:

[(1, 251512128), (2, 125756064), (3, 83837376), (4, 62878032), (6, 41918688), (7, 35930304), (8, 31439016), (9, 27945792), (12, 20959344), (14, 17965152), (16, 15719508), (18, 13972896), (21, 11976768), (24, 10479672), (27, 9315264), (28, 8982576), (29, 8672832), (32, 7859754), (36, 6986448), (42, 5988384), (48, 5239836), (54, 4657632), (56, 4491288), (58, 4336416), (63, 3992256), (64, 3929877), (72, 3493224), (81, 3105088), (84, 2994192), (87, 2890944), (96, 2619918), (108, 2328816), (112, 2245644), (116, 2168208), (126, 1996128), (144, 1746612), (162, 1552544), (168, 1497096), (174, 1445472), (189, 1330752), (192, 1309959), (203, 1238976), (216, 1164408), (224, 1122822), (232, 1084104), (239, 1052352), (252, 998064), (261, 963648), (288, 873306), (324, 776272), (336, 748548), (348, 722736), (378, 665376), (406, 619488), (432, 582204), (448, 561411), (464, 542052), (478, 526176), (504, 499032), (522, 481824), (567, 443584), (576, 436653), (609, 412992), (648, 388136), (672, 374274), (696, 361368), (717, 350784), (756, 332688), (783, 321216), (812, 309744), (864, 291102), (928, 271026), (956, 263088), (1008, 249516), (1044, 240912), (1134, 221792), (1218, 206496), (1296, 194068), (1344, 187137), (1392, 180684), (1434, 175392), (1512, 166344), (1566, 160608), (1624, 154872), (1673, 150336), (1728, 145551), (1827, 137664), (1856, 135513), (1912, 131544), (2016, 124758), (2088, 120456), (2151, 116928), (2268, 110896), (2349, 107072), (2436, 103248), (2592, 97034), (2784, 90342), (2868, 87696), (3024, 83172), (3132, 80304), (3248, 77436), (3346, 75168), (3654, 68832), (3824, 65772), (4032, 62379), (4176, 60228), (4302, 58464), (4536, 55448), (4698, 53536), (4872, 51624), (5019, 50112), (5184, 48517), (5481, 45888), (5568, 45171), (5736, 43848), (6048, 41586), (6264, 40152), (6453, 38976), (6496, 38718), (6692, 37584), (6931, 36288), (7308, 34416), (7648, 32886), (8352, 30114), (8604, 29232), (9072, 27724), (9396, 26768), (9744, 25812), (10038, 25056), (10962, 22944), (11472, 21924), (12096, 20793), (12528, 20076), (12906, 19488), (12992, 19359), (13384, 18792), (13862, 18144), (14616, 17208), (15057, 16704), (15296, 16443)]