256497472

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 692895744

約数和(自身を除く): 436398272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 32, 44, 46, 56, 62, 64, 73, 77, 88, 92, 112, 124, 146, 154, 161, 176, 184, 217, 224, 248, 253, 292, 308, 322, 341, 352, 368, 434, 448, 496, 506, 511, 584, 616, 644, 682, 704, 713, 736, 803, 868, 992, 1012, 1022, 1168, 1232, 1288, 1364, 1426, 1472, 1606, 1679, 1736, 1771, 1984, 2024, 2044, 2263, 2336, 2387, 2464, 2576, 2728, 2852, 3212, 3358, 3472, 3542, 4048, 4088, 4526, 4672, 4774, 4928, 4991, 5152, 5456, 5621, 5704, 6424, 6716, 6944, 7084, 7843, 8096, 8176, 9052, 9548, 9982, 10304, 10912, 11242, 11408, 11753, 12848, 13432, 13888, 14168, 15686, 15841, 16192, 16352, 18104, 18469, 19096, 19964, 21824, 22484, 22816, 23506, 24893, 25696, 26864, 28336, 31372, 31682, 32704, 36208, 36938, 38192, 39928, 44968, 45632, 47012, 49786, 51392, 52049, 53728, 54901, 56672, 62744, 63364, 72416, 73876, 76384, 79856, 89936, 94024, 99572, 104098, 107456, 109802, 113344, 125488, 126728, 129283, 144832, 147752, 152768, 159712, 174251, 179872, 188048, 199144, 208196, 219604, 250976, 253456, 258566, 295504, 319424, 348502, 359744, 364343, 376096, 398288, 416392, 439208, 501952, 506912, 517132, 572539, 591008, 697004, 728686, 752192, 796576, 832784, 878416, 1013824, 1034264, 1145078, 1182016, 1394008, 1457372, 1593152, 1665568, 1756832, 2068528, 2290156, 2788016, 2914744, 3331136, 3513664, 4007773, 4137056, 4580312, 5576032, 5829488, 8015546, 8274112, 9160624, 11152064, 11658976, 16031092, 18321248, 23317952, 32062184, 36642496, 64124368, 128248736, 256497472]

約数ペア:

[(1, 256497472), (2, 128248736), (4, 64124368), (7, 36642496), (8, 32062184), (11, 23317952), (14, 18321248), (16, 16031092), (22, 11658976), (23, 11152064), (28, 9160624), (31, 8274112), (32, 8015546), (44, 5829488), (46, 5576032), (56, 4580312), (62, 4137056), (64, 4007773), (73, 3513664), (77, 3331136), (88, 2914744), (92, 2788016), (112, 2290156), (124, 2068528), (146, 1756832), (154, 1665568), (161, 1593152), (176, 1457372), (184, 1394008), (217, 1182016), (224, 1145078), (248, 1034264), (253, 1013824), (292, 878416), (308, 832784), (322, 796576), (341, 752192), (352, 728686), (368, 697004), (434, 591008), (448, 572539), (496, 517132), (506, 506912), (511, 501952), (584, 439208), (616, 416392), (644, 398288), (682, 376096), (704, 364343), (713, 359744), (736, 348502), (803, 319424), (868, 295504), (992, 258566), (1012, 253456), (1022, 250976), (1168, 219604), (1232, 208196), (1288, 199144), (1364, 188048), (1426, 179872), (1472, 174251), (1606, 159712), (1679, 152768), (1736, 147752), (1771, 144832), (1984, 129283), (2024, 126728), (2044, 125488), (2263, 113344), (2336, 109802), (2387, 107456), (2464, 104098), (2576, 99572), (2728, 94024), (2852, 89936), (3212, 79856), (3358, 76384), (3472, 73876), (3542, 72416), (4048, 63364), (4088, 62744), (4526, 56672), (4672, 54901), (4774, 53728), (4928, 52049), (4991, 51392), (5152, 49786), (5456, 47012), (5621, 45632), (5704, 44968), (6424, 39928), (6716, 38192), (6944, 36938), (7084, 36208), (7843, 32704), (8096, 31682), (8176, 31372), (9052, 28336), (9548, 26864), (9982, 25696), (10304, 24893), (10912, 23506), (11242, 22816), (11408, 22484), (11753, 21824), (12848, 19964), (13432, 19096), (13888, 18469), (14168, 18104), (15686, 16352), (15841, 16192)]