648393984

素因数分解:

$2^8\times 3^5\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 216

約数和(自身を含む): 2217167680

約数和(自身を除く): 1568773696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 336, 378, 384, 432, 448, 486, 504, 567, 576, 648, 672, 756, 768, 864, 896, 972, 1008, 1134, 1152, 1296, 1344, 1489, 1512, 1701, 1728, 1792, 1944, 2016, 2268, 2304, 2592, 2688, 2978, 3024, 3402, 3456, 3888, 4032, 4467, 4536, 5184, 5376, 5956, 6048, 6804, 6912, 7776, 8064, 8934, 9072, 10368, 10423, 11912, 12096, 13401, 13608, 15552, 16128, 17868, 18144, 20736, 20846, 23824, 24192, 26802, 27216, 31104, 31269, 35736, 36288, 40203, 41692, 47648, 48384, 53604, 54432, 62208, 62538, 71472, 72576, 80406, 83384, 93807, 95296, 107208, 108864, 120609, 125076, 142944, 145152, 160812, 166768, 187614, 190592, 214416, 217728, 241218, 250152, 281421, 285888, 321624, 333536, 361827, 375228, 381184, 428832, 435456, 482436, 500304, 562842, 571776, 643248, 667072, 723654, 750456, 844263, 857664, 964872, 1000608, 1125684, 1143552, 1286496, 1334144, 1447308, 1500912, 1688526, 1715328, 1929744, 2001216, 2251368, 2532789, 2572992, 2668288, 2894616, 3001824, 3377052, 3430656, 3859488, 4002432, 4502736, 5065578, 5145984, 5789232, 6003648, 6754104, 7718976, 8004864, 9005472, 10131156, 10291968, 11578464, 12007296, 13508208, 15437952, 18010944, 20262312, 23156928, 24014592, 27016416, 30875904, 36021888, 40524624, 46313856, 54032832, 72043776, 81049248, 92627712, 108065664, 162098496, 216131328, 324196992, 648393984]

約数ペア:

[(1, 648393984), (2, 324196992), (3, 216131328), (4, 162098496), (6, 108065664), (7, 92627712), (8, 81049248), (9, 72043776), (12, 54032832), (14, 46313856), (16, 40524624), (18, 36021888), (21, 30875904), (24, 27016416), (27, 24014592), (28, 23156928), (32, 20262312), (36, 18010944), (42, 15437952), (48, 13508208), (54, 12007296), (56, 11578464), (63, 10291968), (64, 10131156), (72, 9005472), (81, 8004864), (84, 7718976), (96, 6754104), (108, 6003648), (112, 5789232), (126, 5145984), (128, 5065578), (144, 4502736), (162, 4002432), (168, 3859488), (189, 3430656), (192, 3377052), (216, 3001824), (224, 2894616), (243, 2668288), (252, 2572992), (256, 2532789), (288, 2251368), (324, 2001216), (336, 1929744), (378, 1715328), (384, 1688526), (432, 1500912), (448, 1447308), (486, 1334144), (504, 1286496), (567, 1143552), (576, 1125684), (648, 1000608), (672, 964872), (756, 857664), (768, 844263), (864, 750456), (896, 723654), (972, 667072), (1008, 643248), (1134, 571776), (1152, 562842), (1296, 500304), (1344, 482436), (1489, 435456), (1512, 428832), (1701, 381184), (1728, 375228), (1792, 361827), (1944, 333536), (2016, 321624), (2268, 285888), (2304, 281421), (2592, 250152), (2688, 241218), (2978, 217728), (3024, 214416), (3402, 190592), (3456, 187614), (3888, 166768), (4032, 160812), (4467, 145152), (4536, 142944), (5184, 125076), (5376, 120609), (5956, 108864), (6048, 107208), (6804, 95296), (6912, 93807), (7776, 83384), (8064, 80406), (8934, 72576), (9072, 71472), (10368, 62538), (10423, 62208), (11912, 54432), (12096, 53604), (13401, 48384), (13608, 47648), (15552, 41692), (16128, 40203), (17868, 36288), (18144, 35736), (20736, 31269), (20846, 31104), (23824, 27216), (24192, 26802)]