640313856

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 320

約数和(自身を含む): 2337350400

約数和(自身を除く): 1697036544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 64, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 128, 144, 156, 168, 182, 189, 192, 208, 216, 224, 234, 252, 256, 273, 288, 312, 336, 351, 364, 378, 384, 416, 432, 448, 468, 504, 509, 512, 546, 576, 624, 672, 702, 728, 756, 768, 819, 832, 864, 896, 936, 1008, 1018, 1092, 1152, 1248, 1344, 1404, 1456, 1512, 1527, 1536, 1638, 1664, 1728, 1792, 1872, 2016, 2036, 2184, 2304, 2457, 2496, 2688, 2808, 2912, 3024, 3054, 3276, 3328, 3456, 3563, 3584, 3744, 4032, 4072, 4368, 4581, 4608, 4914, 4992, 5376, 5616, 5824, 6048, 6108, 6552, 6617, 6656, 6912, 7126, 7488, 8064, 8144, 8736, 9162, 9828, 9984, 10689, 10752, 11232, 11648, 12096, 12216, 13104, 13234, 13743, 13824, 14252, 14976, 16128, 16288, 17472, 18324, 19656, 19851, 19968, 21378, 22464, 23296, 24192, 24432, 26208, 26468, 27486, 28504, 29952, 32067, 32256, 32576, 34944, 36648, 39312, 39702, 42756, 44928, 46319, 46592, 48384, 48864, 52416, 52936, 54972, 57008, 59553, 59904, 64134, 65152, 69888, 73296, 78624, 79404, 85512, 89856, 92638, 96201, 96768, 97728, 104832, 105872, 109944, 114016, 119106, 128268, 130304, 138957, 139776, 146592, 157248, 158808, 171024, 178659, 179712, 185276, 192402, 195456, 209664, 211744, 219888, 228032, 238212, 256536, 260608, 277914, 293184, 314496, 317616, 342048, 357318, 370552, 384804, 390912, 416871, 419328, 423488, 439776, 456064, 476424, 513072, 555828, 586368, 628992, 635232, 684096, 714636, 741104, 769608, 781824, 833742, 846976, 879552, 912128, 952848, 1026144, 1111656, 1172736, 1250613, 1257984, 1270464, 1368192, 1429272, 1482208, 1539216, 1667484, 1693952, 1759104, 1824256, 1905696, 2052288, 2223312, 2345472, 2501226, 2540928, 2736384, 2858544, 2964416, 3078432, 3334968, 3387904, 3518208, 3811392, 4104576, 4446624, 5002452, 5081856, 5472768, 5717088, 5928832, 6156864, 6669936, 7036416, 7622784, 8209152, 8893248, 10004904, 10163712, 11434176, 11857664, 12313728, 13339872, 15245568, 16418304, 17786496, 20009808, 22868352, 23715328, 24627456, 26679744, 30491136, 35572992, 40019616, 45736704, 49254912, 53359488, 71145984, 80039232, 91473408, 106718976, 160078464, 213437952, 320156928, 640313856]

約数ペア:

[(1, 640313856), (2, 320156928), (3, 213437952), (4, 160078464), (6, 106718976), (7, 91473408), (8, 80039232), (9, 71145984), (12, 53359488), (13, 49254912), (14, 45736704), (16, 40019616), (18, 35572992), (21, 30491136), (24, 26679744), (26, 24627456), (27, 23715328), (28, 22868352), (32, 20009808), (36, 17786496), (39, 16418304), (42, 15245568), (48, 13339872), (52, 12313728), (54, 11857664), (56, 11434176), (63, 10163712), (64, 10004904), (72, 8893248), (78, 8209152), (84, 7622784), (91, 7036416), (96, 6669936), (104, 6156864), (108, 5928832), (112, 5717088), (117, 5472768), (126, 5081856), (128, 5002452), (144, 4446624), (156, 4104576), (168, 3811392), (182, 3518208), (189, 3387904), (192, 3334968), (208, 3078432), (216, 2964416), (224, 2858544), (234, 2736384), (252, 2540928), (256, 2501226), (273, 2345472), (288, 2223312), (312, 2052288), (336, 1905696), (351, 1824256), (364, 1759104), (378, 1693952), (384, 1667484), (416, 1539216), (432, 1482208), (448, 1429272), (468, 1368192), (504, 1270464), (509, 1257984), (512, 1250613), (546, 1172736), (576, 1111656), (624, 1026144), (672, 952848), (702, 912128), (728, 879552), (756, 846976), (768, 833742), (819, 781824), (832, 769608), (864, 741104), (896, 714636), (936, 684096), (1008, 635232), (1018, 628992), (1092, 586368), (1152, 555828), (1248, 513072), (1344, 476424), (1404, 456064), (1456, 439776), (1512, 423488), (1527, 419328), (1536, 416871), (1638, 390912), (1664, 384804), (1728, 370552), (1792, 357318), (1872, 342048), (2016, 317616), (2036, 314496), (2184, 293184), (2304, 277914), (2457, 260608), (2496, 256536), (2688, 238212), (2808, 228032), (2912, 219888), (3024, 211744), (3054, 209664), (3276, 195456), (3328, 192402), (3456, 185276), (3563, 179712), (3584, 178659), (3744, 171024), (4032, 158808), (4072, 157248), (4368, 146592), (4581, 139776), (4608, 138957), (4914, 130304), (4992, 128268), (5376, 119106), (5616, 114016), (5824, 109944), (6048, 105872), (6108, 104832), (6552, 97728), (6617, 96768), (6656, 96201), (6912, 92638), (7126, 89856), (7488, 85512), (8064, 79404), (8144, 78624), (8736, 73296), (9162, 69888), (9828, 65152), (9984, 64134), (10689, 59904), (10752, 59553), (11232, 57008), (11648, 54972), (12096, 52936), (12216, 52416), (13104, 48864), (13234, 48384), (13743, 46592), (13824, 46319), (14252, 44928), (14976, 42756), (16128, 39702), (16288, 39312), (17472, 36648), (18324, 34944), (19656, 32576), (19851, 32256), (19968, 32067), (21378, 29952), (22464, 28504), (23296, 27486), (24192, 26468), (24432, 26208)]