256365648

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 300

約数和(自身を含む): 944171712

約数和(自身を除く): 687806064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 49, 54, 56, 63, 66, 72, 77, 81, 84, 88, 98, 99, 108, 112, 126, 132, 144, 147, 154, 162, 168, 176, 189, 196, 198, 216, 231, 252, 264, 294, 297, 308, 324, 336, 367, 378, 392, 396, 432, 441, 462, 504, 528, 539, 567, 588, 594, 616, 648, 693, 734, 756, 784, 792, 882, 891, 924, 1008, 1078, 1101, 1134, 1176, 1188, 1232, 1296, 1323, 1386, 1468, 1512, 1584, 1617, 1764, 1782, 1848, 2079, 2156, 2202, 2268, 2352, 2376, 2569, 2646, 2772, 2936, 3024, 3234, 3303, 3528, 3564, 3696, 3969, 4037, 4158, 4312, 4404, 4536, 4752, 4851, 5138, 5292, 5544, 5872, 6237, 6468, 6606, 7056, 7128, 7707, 7938, 8074, 8316, 8624, 8808, 9072, 9702, 9909, 10276, 10584, 11088, 12111, 12474, 12936, 13212, 14256, 14553, 15414, 15876, 16148, 16632, 17616, 17983, 19404, 19818, 20552, 21168, 23121, 24222, 24948, 25872, 26424, 28259, 29106, 29727, 30828, 31752, 32296, 33264, 35966, 36333, 38808, 39636, 41104, 43659, 46242, 48444, 49896, 52848, 53949, 56518, 58212, 59454, 61656, 63504, 64592, 69363, 71932, 72666, 77616, 79272, 84777, 87318, 92484, 96888, 99792, 107898, 108999, 113036, 116424, 118908, 123312, 138726, 143864, 145332, 158544, 161847, 169554, 174636, 184968, 193776, 197813, 208089, 215796, 217998, 226072, 232848, 237816, 254331, 277452, 287728, 290664, 323694, 326997, 339108, 349272, 369936, 395626, 416178, 431592, 435996, 452144, 475632, 485541, 508662, 554904, 581328, 593439, 647388, 653994, 678216, 698544, 762993, 791252, 832356, 863184, 871992, 971082, 1017324, 1109808, 1186878, 1294776, 1307988, 1356432, 1456623, 1525986, 1582504, 1664712, 1743984, 1780317, 1942164, 2034648, 2288979, 2373756, 2589552, 2615976, 2913246, 3051972, 3165008, 3329424, 3560634, 3884328, 4069296, 4577958, 4747512, 5231952, 5340951, 5826492, 6103944, 7121268, 7768656, 9155916, 9495024, 10681902, 11652984, 12207888, 14242536, 16022853, 18311832, 21363804, 23305968, 28485072, 32045706, 36623664, 42727608, 64091412, 85455216, 128182824, 256365648]

約数ペア:

[(1, 256365648), (2, 128182824), (3, 85455216), (4, 64091412), (6, 42727608), (7, 36623664), (8, 32045706), (9, 28485072), (11, 23305968), (12, 21363804), (14, 18311832), (16, 16022853), (18, 14242536), (21, 12207888), (22, 11652984), (24, 10681902), (27, 9495024), (28, 9155916), (33, 7768656), (36, 7121268), (42, 6103944), (44, 5826492), (48, 5340951), (49, 5231952), (54, 4747512), (56, 4577958), (63, 4069296), (66, 3884328), (72, 3560634), (77, 3329424), (81, 3165008), (84, 3051972), (88, 2913246), (98, 2615976), (99, 2589552), (108, 2373756), (112, 2288979), (126, 2034648), (132, 1942164), (144, 1780317), (147, 1743984), (154, 1664712), (162, 1582504), (168, 1525986), (176, 1456623), (189, 1356432), (196, 1307988), (198, 1294776), (216, 1186878), (231, 1109808), (252, 1017324), (264, 971082), (294, 871992), (297, 863184), (308, 832356), (324, 791252), (336, 762993), (367, 698544), (378, 678216), (392, 653994), (396, 647388), (432, 593439), (441, 581328), (462, 554904), (504, 508662), (528, 485541), (539, 475632), (567, 452144), (588, 435996), (594, 431592), (616, 416178), (648, 395626), (693, 369936), (734, 349272), (756, 339108), (784, 326997), (792, 323694), (882, 290664), (891, 287728), (924, 277452), (1008, 254331), (1078, 237816), (1101, 232848), (1134, 226072), (1176, 217998), (1188, 215796), (1232, 208089), (1296, 197813), (1323, 193776), (1386, 184968), (1468, 174636), (1512, 169554), (1584, 161847), (1617, 158544), (1764, 145332), (1782, 143864), (1848, 138726), (2079, 123312), (2156, 118908), (2202, 116424), (2268, 113036), (2352, 108999), (2376, 107898), (2569, 99792), (2646, 96888), (2772, 92484), (2936, 87318), (3024, 84777), (3234, 79272), (3303, 77616), (3528, 72666), (3564, 71932), (3696, 69363), (3969, 64592), (4037, 63504), (4158, 61656), (4312, 59454), (4404, 58212), (4536, 56518), (4752, 53949), (4851, 52848), (5138, 49896), (5292, 48444), (5544, 46242), (5872, 43659), (6237, 41104), (6468, 39636), (6606, 38808), (7056, 36333), (7128, 35966), (7707, 33264), (7938, 32296), (8074, 31752), (8316, 30828), (8624, 29727), (8808, 29106), (9072, 28259), (9702, 26424), (9909, 25872), (10276, 24948), (10584, 24222), (11088, 23121), (12111, 21168), (12474, 20552), (12936, 19818), (13212, 19404), (14256, 17983), (14553, 17616), (15414, 16632), (15876, 16148)]