639846144

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 216

約数和(自身を含む): 2135325920

約数和(自身を除く): 1495479776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 97, 112, 126, 128, 144, 168, 192, 194, 224, 252, 256, 288, 291, 336, 384, 388, 409, 448, 504, 576, 582, 672, 679, 768, 776, 818, 873, 896, 1008, 1152, 1164, 1227, 1344, 1358, 1552, 1636, 1746, 1792, 2016, 2037, 2304, 2328, 2454, 2688, 2716, 2863, 3104, 3272, 3492, 3681, 4032, 4074, 4656, 4908, 5376, 5432, 5726, 6111, 6208, 6544, 6984, 7362, 8064, 8148, 8589, 9312, 9816, 10864, 11452, 12222, 12416, 13088, 13968, 14724, 16128, 16296, 17178, 18624, 19632, 21728, 22904, 24444, 24832, 25767, 26176, 27936, 29448, 32592, 34356, 37248, 39264, 39673, 43456, 45808, 48888, 51534, 52352, 55872, 58896, 65184, 68712, 74496, 78528, 79346, 86912, 91616, 97776, 103068, 104704, 111744, 117792, 119019, 130368, 137424, 157056, 158692, 173824, 183232, 195552, 206136, 223488, 235584, 238038, 260736, 274848, 277711, 314112, 317384, 357057, 366464, 391104, 412272, 471168, 476076, 521472, 549696, 555422, 634768, 714114, 732928, 782208, 824544, 833133, 942336, 952152, 1099392, 1110844, 1269536, 1428228, 1564416, 1649088, 1666266, 1904304, 2198784, 2221688, 2499399, 2539072, 2856456, 3298176, 3332532, 3808608, 4443376, 4998798, 5078144, 5712912, 6596352, 6665064, 7617216, 8886752, 9997596, 10156288, 11425824, 13330128, 15234432, 17773504, 19995192, 22851648, 26660256, 30468864, 35547008, 39990384, 45703296, 53320512, 71094016, 79980768, 91406592, 106641024, 159961536, 213282048, 319923072, 639846144]

約数ペア:

[(1, 639846144), (2, 319923072), (3, 213282048), (4, 159961536), (6, 106641024), (7, 91406592), (8, 79980768), (9, 71094016), (12, 53320512), (14, 45703296), (16, 39990384), (18, 35547008), (21, 30468864), (24, 26660256), (28, 22851648), (32, 19995192), (36, 17773504), (42, 15234432), (48, 13330128), (56, 11425824), (63, 10156288), (64, 9997596), (72, 8886752), (84, 7617216), (96, 6665064), (97, 6596352), (112, 5712912), (126, 5078144), (128, 4998798), (144, 4443376), (168, 3808608), (192, 3332532), (194, 3298176), (224, 2856456), (252, 2539072), (256, 2499399), (288, 2221688), (291, 2198784), (336, 1904304), (384, 1666266), (388, 1649088), (409, 1564416), (448, 1428228), (504, 1269536), (576, 1110844), (582, 1099392), (672, 952152), (679, 942336), (768, 833133), (776, 824544), (818, 782208), (873, 732928), (896, 714114), (1008, 634768), (1152, 555422), (1164, 549696), (1227, 521472), (1344, 476076), (1358, 471168), (1552, 412272), (1636, 391104), (1746, 366464), (1792, 357057), (2016, 317384), (2037, 314112), (2304, 277711), (2328, 274848), (2454, 260736), (2688, 238038), (2716, 235584), (2863, 223488), (3104, 206136), (3272, 195552), (3492, 183232), (3681, 173824), (4032, 158692), (4074, 157056), (4656, 137424), (4908, 130368), (5376, 119019), (5432, 117792), (5726, 111744), (6111, 104704), (6208, 103068), (6544, 97776), (6984, 91616), (7362, 86912), (8064, 79346), (8148, 78528), (8589, 74496), (9312, 68712), (9816, 65184), (10864, 58896), (11452, 55872), (12222, 52352), (12416, 51534), (13088, 48888), (13968, 45808), (14724, 43456), (16128, 39673), (16296, 39264), (17178, 37248), (18624, 34356), (19632, 32592), (21728, 29448), (22904, 27936), (24444, 26176), (24832, 25767)]