256748448

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 216

約数和(自身を含む): 798753312

約数和(自身を除く): 542004864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 31, 32, 33, 44, 46, 48, 62, 66, 69, 88, 92, 93, 96, 121, 124, 132, 138, 176, 184, 186, 242, 248, 253, 264, 276, 341, 352, 363, 368, 372, 484, 496, 506, 528, 552, 682, 713, 726, 736, 744, 759, 961, 968, 992, 1012, 1023, 1056, 1104, 1364, 1426, 1452, 1488, 1518, 1922, 1936, 2024, 2046, 2139, 2208, 2728, 2783, 2852, 2883, 2904, 2976, 3036, 3751, 3844, 3872, 4048, 4092, 4278, 5456, 5566, 5704, 5766, 5808, 6072, 7502, 7688, 7843, 8096, 8184, 8349, 8556, 10571, 10912, 11132, 11253, 11408, 11532, 11616, 12144, 15004, 15376, 15686, 16368, 16698, 17112, 21142, 22103, 22264, 22506, 22816, 23064, 23529, 24288, 30008, 30752, 31372, 31713, 32736, 33396, 34224, 42284, 44206, 44528, 45012, 46128, 47058, 60016, 62744, 63426, 66309, 66792, 68448, 84568, 86273, 88412, 89056, 90024, 92256, 94116, 116281, 120032, 125488, 126852, 132618, 133584, 169136, 172546, 176824, 180048, 188232, 232562, 243133, 250976, 253704, 258819, 265236, 267168, 338272, 345092, 348843, 353648, 360096, 376464, 465124, 486266, 507408, 517638, 530472, 690184, 697686, 707296, 729399, 752928, 930248, 972532, 1014816, 1035276, 1060944, 1380368, 1395372, 1458798, 1860496, 1945064, 2070552, 2121888, 2674463, 2760736, 2790744, 2917596, 3720992, 3890128, 4141104, 5348926, 5581488, 5835192, 7780256, 8023389, 8282208, 10697852, 11162976, 11670384, 16046778, 21395704, 23340768, 32093556, 42791408, 64187112, 85582816, 128374224, 256748448]

約数ペア:

[(1, 256748448), (2, 128374224), (3, 85582816), (4, 64187112), (6, 42791408), (8, 32093556), (11, 23340768), (12, 21395704), (16, 16046778), (22, 11670384), (23, 11162976), (24, 10697852), (31, 8282208), (32, 8023389), (33, 7780256), (44, 5835192), (46, 5581488), (48, 5348926), (62, 4141104), (66, 3890128), (69, 3720992), (88, 2917596), (92, 2790744), (93, 2760736), (96, 2674463), (121, 2121888), (124, 2070552), (132, 1945064), (138, 1860496), (176, 1458798), (184, 1395372), (186, 1380368), (242, 1060944), (248, 1035276), (253, 1014816), (264, 972532), (276, 930248), (341, 752928), (352, 729399), (363, 707296), (368, 697686), (372, 690184), (484, 530472), (496, 517638), (506, 507408), (528, 486266), (552, 465124), (682, 376464), (713, 360096), (726, 353648), (736, 348843), (744, 345092), (759, 338272), (961, 267168), (968, 265236), (992, 258819), (1012, 253704), (1023, 250976), (1056, 243133), (1104, 232562), (1364, 188232), (1426, 180048), (1452, 176824), (1488, 172546), (1518, 169136), (1922, 133584), (1936, 132618), (2024, 126852), (2046, 125488), (2139, 120032), (2208, 116281), (2728, 94116), (2783, 92256), (2852, 90024), (2883, 89056), (2904, 88412), (2976, 86273), (3036, 84568), (3751, 68448), (3844, 66792), (3872, 66309), (4048, 63426), (4092, 62744), (4278, 60016), (5456, 47058), (5566, 46128), (5704, 45012), (5766, 44528), (5808, 44206), (6072, 42284), (7502, 34224), (7688, 33396), (7843, 32736), (8096, 31713), (8184, 31372), (8349, 30752), (8556, 30008), (10571, 24288), (10912, 23529), (11132, 23064), (11253, 22816), (11408, 22506), (11532, 22264), (11616, 22103), (12144, 21142), (15004, 17112), (15376, 16698), (15686, 16368)]