256377408

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 224

約数和(自身を含む): 841248000

約数和(自身を除く): 584870592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 64, 68, 84, 96, 98, 102, 112, 119, 136, 147, 168, 192, 196, 204, 224, 229, 238, 272, 294, 336, 343, 357, 392, 408, 448, 458, 476, 544, 588, 672, 686, 687, 714, 784, 816, 833, 916, 952, 1029, 1088, 1176, 1344, 1372, 1374, 1428, 1568, 1603, 1632, 1666, 1832, 1904, 2058, 2352, 2499, 2744, 2748, 2856, 3136, 3206, 3264, 3332, 3664, 3808, 3893, 4116, 4704, 4809, 4998, 5488, 5496, 5712, 5831, 6412, 6664, 7328, 7616, 7786, 8232, 9408, 9618, 9996, 10976, 10992, 11221, 11424, 11662, 11679, 12824, 13328, 14656, 15572, 16464, 17493, 19236, 19992, 21952, 21984, 22442, 22848, 23324, 23358, 25648, 26656, 27251, 31144, 32928, 33663, 34986, 38472, 39984, 43968, 44884, 46648, 46716, 51296, 53312, 54502, 62288, 65856, 67326, 69972, 76944, 78547, 79968, 81753, 89768, 93296, 93432, 102592, 109004, 124576, 134652, 139944, 153888, 157094, 159936, 163506, 179536, 186592, 186864, 190757, 218008, 235641, 249152, 269304, 279888, 307776, 314188, 327012, 359072, 373184, 373728, 381514, 436016, 471282, 538608, 559776, 572271, 628376, 654024, 718144, 747456, 763028, 872032, 942564, 1077216, 1119552, 1144542, 1256752, 1308048, 1335299, 1526056, 1744064, 1885128, 2154432, 2289084, 2513504, 2616096, 2670598, 3052112, 3770256, 4005897, 4578168, 5027008, 5232192, 5341196, 6104224, 7540512, 8011794, 9156336, 10682392, 12208448, 15081024, 16023588, 18312672, 21364784, 32047176, 36625344, 42729568, 64094352, 85459136, 128188704, 256377408]

約数ペア:

[(1, 256377408), (2, 128188704), (3, 85459136), (4, 64094352), (6, 42729568), (7, 36625344), (8, 32047176), (12, 21364784), (14, 18312672), (16, 16023588), (17, 15081024), (21, 12208448), (24, 10682392), (28, 9156336), (32, 8011794), (34, 7540512), (42, 6104224), (48, 5341196), (49, 5232192), (51, 5027008), (56, 4578168), (64, 4005897), (68, 3770256), (84, 3052112), (96, 2670598), (98, 2616096), (102, 2513504), (112, 2289084), (119, 2154432), (136, 1885128), (147, 1744064), (168, 1526056), (192, 1335299), (196, 1308048), (204, 1256752), (224, 1144542), (229, 1119552), (238, 1077216), (272, 942564), (294, 872032), (336, 763028), (343, 747456), (357, 718144), (392, 654024), (408, 628376), (448, 572271), (458, 559776), (476, 538608), (544, 471282), (588, 436016), (672, 381514), (686, 373728), (687, 373184), (714, 359072), (784, 327012), (816, 314188), (833, 307776), (916, 279888), (952, 269304), (1029, 249152), (1088, 235641), (1176, 218008), (1344, 190757), (1372, 186864), (1374, 186592), (1428, 179536), (1568, 163506), (1603, 159936), (1632, 157094), (1666, 153888), (1832, 139944), (1904, 134652), (2058, 124576), (2352, 109004), (2499, 102592), (2744, 93432), (2748, 93296), (2856, 89768), (3136, 81753), (3206, 79968), (3264, 78547), (3332, 76944), (3664, 69972), (3808, 67326), (3893, 65856), (4116, 62288), (4704, 54502), (4809, 53312), (4998, 51296), (5488, 46716), (5496, 46648), (5712, 44884), (5831, 43968), (6412, 39984), (6664, 38472), (7328, 34986), (7616, 33663), (7786, 32928), (8232, 31144), (9408, 27251), (9618, 26656), (9996, 25648), (10976, 23358), (10992, 23324), (11221, 22848), (11424, 22442), (11662, 21984), (11679, 21952), (12824, 19992), (13328, 19236), (14656, 17493), (15572, 16464)]