256891188528

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{21187}}^1$

素因数の和:21361

約数の個数: 320

約数和(自身を含む): 847465758720

約数和(自身を除く): 590574570192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 127, 136, 144, 153, 156, 204, 208, 216, 221, 234, 254, 272, 306, 312, 351, 381, 408, 432, 442, 459, 468, 508, 612, 624, 663, 702, 762, 816, 884, 918, 936, 1016, 1143, 1224, 1326, 1404, 1524, 1651, 1768, 1836, 1872, 1989, 2032, 2159, 2286, 2448, 2652, 2808, 3048, 3302, 3429, 3536, 3672, 3978, 4318, 4572, 4953, 5304, 5616, 5967, 6096, 6477, 6604, 6858, 7344, 7956, 8636, 9144, 9906, 10608, 11934, 12954, 13208, 13716, 14859, 15912, 17272, 18288, 19431, 19812, 21187, 23868, 25908, 26416, 27432, 28067, 29718, 31824, 34544, 38862, 39624, 42374, 44577, 47736, 51816, 54864, 56134, 58293, 59436, 63561, 77724, 79248, 84201, 84748, 89154, 95472, 103632, 112268, 116586, 118872, 127122, 155448, 168402, 169496, 178308, 190683, 224536, 233172, 237744, 252603, 254244, 275431, 310896, 336804, 338992, 356616, 360179, 381366, 449072, 466344, 505206, 508488, 550862, 572049, 673608, 713232, 720358, 757809, 762732, 826293, 932688, 1010412, 1016976, 1080537, 1101724, 1144098, 1347216, 1440716, 1515618, 1525464, 1652586, 2020824, 2161074, 2203448, 2288196, 2478879, 2690749, 2881432, 3031236, 3050928, 3241611, 3305172, 4041648, 4322148, 4406896, 4576392, 4682327, 4957758, 5381498, 5762864, 6062472, 6483222, 6610344, 7436637, 8072247, 8644296, 9152784, 9364654, 9724833, 9915516, 10762996, 12124944, 12966444, 13220688, 14046981, 14873274, 16144494, 17288592, 18729308, 19449666, 19831032, 21525992, 24216741, 25932888, 28093962, 29746548, 32288988, 34979737, 37458616, 38899332, 39662064, 42140943, 43051984, 45742733, 48433482, 51865776, 56187924, 59493096, 64577976, 69959474, 72650223, 74917232, 77798664, 84281886, 91485466, 96866964, 104939211, 112375848, 118986192, 126422829, 129155952, 137228199, 139918948, 145300446, 155597328, 168563772, 182970932, 193733928, 209878422, 224751696, 252845658, 274456398, 279837896, 290600892, 314817633, 337127544, 365941864, 387467856, 411684597, 419756844, 505691316, 548912796, 559675792, 581201784, 594655529, 629635266, 674255088, 731883728, 823369194, 839513688, 944452899, 1011382632, 1097825592, 1162403568, 1189311058, 1235053791, 1259270532, 1646738388, 1679027376, 1783966587, 1888905798, 2022765264, 2195651184, 2378622116, 2470107582, 2518541064, 3293476776, 3567933174, 3777811596, 4757244232, 4940215164, 5037082128, 5351899761, 6586953552, 7135866348, 7555623192, 9514488464, 9880430328, 10703799522, 14271732696, 15111246384, 16055699283, 19760860656, 21407599044, 28543465392, 32111398566, 42815198088, 64222797132, 85630396176, 128445594264, 256891188528]

約数ペア:

[(1, 256891188528), (2, 128445594264), (3, 85630396176), (4, 64222797132), (6, 42815198088), (8, 32111398566), (9, 28543465392), (12, 21407599044), (13, 19760860656), (16, 16055699283), (17, 15111246384), (18, 14271732696), (24, 10703799522), (26, 9880430328), (27, 9514488464), (34, 7555623192), (36, 7135866348), (39, 6586953552), (48, 5351899761), (51, 5037082128), (52, 4940215164), (54, 4757244232), (68, 3777811596), (72, 3567933174), (78, 3293476776), (102, 2518541064), (104, 2470107582), (108, 2378622116), (117, 2195651184), (127, 2022765264), (136, 1888905798), (144, 1783966587), (153, 1679027376), (156, 1646738388), (204, 1259270532), (208, 1235053791), (216, 1189311058), (221, 1162403568), (234, 1097825592), (254, 1011382632), (272, 944452899), (306, 839513688), (312, 823369194), (351, 731883728), (381, 674255088), (408, 629635266), (432, 594655529), (442, 581201784), (459, 559675792), (468, 548912796), (508, 505691316), (612, 419756844), (624, 411684597), (663, 387467856), (702, 365941864), (762, 337127544), (816, 314817633), (884, 290600892), (918, 279837896), (936, 274456398), (1016, 252845658), (1143, 224751696), (1224, 209878422), (1326, 193733928), (1404, 182970932), (1524, 168563772), (1651, 155597328), (1768, 145300446), (1836, 139918948), (1872, 137228199), (1989, 129155952), (2032, 126422829), (2159, 118986192), (2286, 112375848), (2448, 104939211), (2652, 96866964), (2808, 91485466), (3048, 84281886), (3302, 77798664), (3429, 74917232), (3536, 72650223), (3672, 69959474), (3978, 64577976), (4318, 59493096), (4572, 56187924), (4953, 51865776), (5304, 48433482), (5616, 45742733), (5967, 43051984), (6096, 42140943), (6477, 39662064), (6604, 38899332), (6858, 37458616), (7344, 34979737), (7956, 32288988), (8636, 29746548), (9144, 28093962), (9906, 25932888), (10608, 24216741), (11934, 21525992), (12954, 19831032), (13208, 19449666), (13716, 18729308), (14859, 17288592), (15912, 16144494), (17272, 14873274), (18288, 14046981), (19431, 13220688), (19812, 12966444), (21187, 12124944), (23868, 10762996), (25908, 9915516), (26416, 9724833), (27432, 9364654), (28067, 9152784), (29718, 8644296), (31824, 8072247), (34544, 7436637), (38862, 6610344), (39624, 6483222), (42374, 6062472), (44577, 5762864), (47736, 5381498), (51816, 4957758), (54864, 4682327), (56134, 4576392), (58293, 4406896), (59436, 4322148), (63561, 4041648), (77724, 3305172), (79248, 3241611), (84201, 3050928), (84748, 3031236), (89154, 2881432), (95472, 2690749), (103632, 2478879), (112268, 2288196), (116586, 2203448), (118872, 2161074), (127122, 2020824), (155448, 1652586), (168402, 1525464), (169496, 1515618), (178308, 1440716), (190683, 1347216), (224536, 1144098), (233172, 1101724), (237744, 1080537), (252603, 1016976), (254244, 1010412), (275431, 932688), (310896, 826293), (336804, 762732), (338992, 757809), (356616, 720358), (360179, 713232), (381366, 673608), (449072, 572049), (466344, 550862), (505206, 508488)]