257591664

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:370

約数の個数: 240

約数和(自身を含む): 861194880

約数和(自身を除く): 603603216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 33, 36, 38, 44, 48, 54, 57, 66, 72, 76, 81, 88, 99, 108, 114, 132, 144, 152, 162, 171, 176, 198, 209, 216, 228, 243, 264, 297, 304, 317, 324, 342, 396, 418, 432, 456, 486, 513, 528, 594, 627, 634, 648, 684, 792, 836, 891, 912, 951, 972, 1026, 1188, 1254, 1268, 1296, 1368, 1539, 1584, 1672, 1782, 1881, 1902, 1944, 2052, 2376, 2508, 2536, 2673, 2736, 2853, 3078, 3344, 3487, 3564, 3762, 3804, 3888, 4104, 4617, 4752, 5016, 5072, 5346, 5643, 5706, 6023, 6156, 6974, 7128, 7524, 7608, 8208, 8559, 9234, 10032, 10461, 10692, 11286, 11412, 12046, 12312, 13948, 14256, 15048, 15216, 16929, 17118, 18069, 18468, 20922, 21384, 22572, 22824, 24092, 24624, 25677, 27896, 30096, 31383, 33858, 34236, 36138, 36936, 41844, 42768, 45144, 45648, 48184, 50787, 51354, 54207, 55792, 62766, 66253, 67716, 68472, 72276, 73872, 77031, 83688, 90288, 94149, 96368, 101574, 102708, 108414, 125532, 132506, 135432, 136944, 144552, 154062, 162621, 167376, 188298, 198759, 203148, 205416, 216828, 251064, 265012, 270864, 282447, 289104, 308124, 325242, 376596, 397518, 406296, 410832, 433656, 487863, 502128, 530024, 564894, 596277, 616248, 650484, 753192, 795036, 812592, 847341, 867312, 975726, 1060048, 1129788, 1192554, 1232496, 1300968, 1463589, 1506384, 1590072, 1694682, 1788831, 1951452, 2259576, 2385108, 2601936, 2927178, 3180144, 3389364, 3577662, 3902904, 4519152, 4770216, 5366493, 5854356, 6778728, 7155324, 7805808, 9540432, 10732986, 11708712, 13557456, 14310648, 16099479, 21465972, 23417424, 28621296, 32198958, 42931944, 64397916, 85863888, 128795832, 257591664]

約数ペア:

[(1, 257591664), (2, 128795832), (3, 85863888), (4, 64397916), (6, 42931944), (8, 32198958), (9, 28621296), (11, 23417424), (12, 21465972), (16, 16099479), (18, 14310648), (19, 13557456), (22, 11708712), (24, 10732986), (27, 9540432), (33, 7805808), (36, 7155324), (38, 6778728), (44, 5854356), (48, 5366493), (54, 4770216), (57, 4519152), (66, 3902904), (72, 3577662), (76, 3389364), (81, 3180144), (88, 2927178), (99, 2601936), (108, 2385108), (114, 2259576), (132, 1951452), (144, 1788831), (152, 1694682), (162, 1590072), (171, 1506384), (176, 1463589), (198, 1300968), (209, 1232496), (216, 1192554), (228, 1129788), (243, 1060048), (264, 975726), (297, 867312), (304, 847341), (317, 812592), (324, 795036), (342, 753192), (396, 650484), (418, 616248), (432, 596277), (456, 564894), (486, 530024), (513, 502128), (528, 487863), (594, 433656), (627, 410832), (634, 406296), (648, 397518), (684, 376596), (792, 325242), (836, 308124), (891, 289104), (912, 282447), (951, 270864), (972, 265012), (1026, 251064), (1188, 216828), (1254, 205416), (1268, 203148), (1296, 198759), (1368, 188298), (1539, 167376), (1584, 162621), (1672, 154062), (1782, 144552), (1881, 136944), (1902, 135432), (1944, 132506), (2052, 125532), (2376, 108414), (2508, 102708), (2536, 101574), (2673, 96368), (2736, 94149), (2853, 90288), (3078, 83688), (3344, 77031), (3487, 73872), (3564, 72276), (3762, 68472), (3804, 67716), (3888, 66253), (4104, 62766), (4617, 55792), (4752, 54207), (5016, 51354), (5072, 50787), (5346, 48184), (5643, 45648), (5706, 45144), (6023, 42768), (6156, 41844), (6974, 36936), (7128, 36138), (7524, 34236), (7608, 33858), (8208, 31383), (8559, 30096), (9234, 27896), (10032, 25677), (10461, 24624), (10692, 24092), (11286, 22824), (11412, 22572), (12046, 21384), (12312, 20922), (13948, 18468), (14256, 18069), (15048, 17118), (15216, 16929)]