256429152

素因数分解:

$2^5\times 3^5\times 7^2\times {\mathrm{673}}^1$

素因数の和:712

約数の個数: 216

約数和(自身を含む): 881001576

約数和(自身を除く): 624572424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 243, 252, 288, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 672, 673, 756, 784, 864, 882, 972, 1008, 1134, 1176, 1296, 1323, 1346, 1512, 1568, 1701, 1764, 1944, 2016, 2019, 2268, 2352, 2592, 2646, 2692, 3024, 3402, 3528, 3888, 3969, 4038, 4536, 4704, 4711, 5292, 5384, 6048, 6057, 6804, 7056, 7776, 7938, 8076, 9072, 9422, 10584, 10768, 11907, 12114, 13608, 14112, 14133, 15876, 16152, 18144, 18171, 18844, 21168, 21536, 23814, 24228, 27216, 28266, 31752, 32304, 32977, 36342, 37688, 42336, 42399, 47628, 48456, 54432, 54513, 56532, 63504, 64608, 65954, 72684, 75376, 84798, 95256, 96912, 98931, 109026, 113064, 127008, 127197, 131908, 145368, 150752, 163539, 169596, 190512, 193824, 197862, 218052, 226128, 254394, 263816, 290736, 296793, 327078, 339192, 381024, 381591, 395724, 436104, 452256, 508788, 527632, 581472, 593586, 654156, 678384, 763182, 791448, 872208, 890379, 1017576, 1055264, 1144773, 1187172, 1308312, 1356768, 1526364, 1582896, 1744416, 1780758, 2035152, 2289546, 2374344, 2616624, 2671137, 3052728, 3165792, 3561516, 4070304, 4579092, 4748688, 5233248, 5342274, 6105456, 7123032, 8013411, 9158184, 9497376, 10684548, 12210912, 14246064, 16026822, 18316368, 21369096, 28492128, 32053644, 36632736, 42738192, 64107288, 85476384, 128214576, 256429152]

約数ペア:

[(1, 256429152), (2, 128214576), (3, 85476384), (4, 64107288), (6, 42738192), (7, 36632736), (8, 32053644), (9, 28492128), (12, 21369096), (14, 18316368), (16, 16026822), (18, 14246064), (21, 12210912), (24, 10684548), (27, 9497376), (28, 9158184), (32, 8013411), (36, 7123032), (42, 6105456), (48, 5342274), (49, 5233248), (54, 4748688), (56, 4579092), (63, 4070304), (72, 3561516), (81, 3165792), (84, 3052728), (96, 2671137), (98, 2616624), (108, 2374344), (112, 2289546), (126, 2035152), (144, 1780758), (147, 1744416), (162, 1582896), (168, 1526364), (189, 1356768), (196, 1308312), (216, 1187172), (224, 1144773), (243, 1055264), (252, 1017576), (288, 890379), (294, 872208), (324, 791448), (336, 763182), (378, 678384), (392, 654156), (432, 593586), (441, 581472), (486, 527632), (504, 508788), (567, 452256), (588, 436104), (648, 395724), (672, 381591), (673, 381024), (756, 339192), (784, 327078), (864, 296793), (882, 290736), (972, 263816), (1008, 254394), (1134, 226128), (1176, 218052), (1296, 197862), (1323, 193824), (1346, 190512), (1512, 169596), (1568, 163539), (1701, 150752), (1764, 145368), (1944, 131908), (2016, 127197), (2019, 127008), (2268, 113064), (2352, 109026), (2592, 98931), (2646, 96912), (2692, 95256), (3024, 84798), (3402, 75376), (3528, 72684), (3888, 65954), (3969, 64608), (4038, 63504), (4536, 56532), (4704, 54513), (4711, 54432), (5292, 48456), (5384, 47628), (6048, 42399), (6057, 42336), (6804, 37688), (7056, 36342), (7776, 32977), (7938, 32304), (8076, 31752), (9072, 28266), (9422, 27216), (10584, 24228), (10768, 23814), (11907, 21536), (12114, 21168), (13608, 18844), (14112, 18171), (14133, 18144), (15876, 16152)]