256553892

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 819624960

約数和(自身を除く): 563071068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 41, 42, 54, 62, 63, 81, 82, 84, 89, 93, 108, 123, 124, 126, 162, 164, 178, 186, 189, 217, 246, 252, 267, 279, 287, 324, 356, 369, 372, 378, 434, 492, 534, 558, 567, 574, 623, 651, 738, 756, 801, 837, 861, 868, 1068, 1107, 1116, 1134, 1148, 1246, 1271, 1302, 1476, 1602, 1674, 1722, 1869, 1953, 2214, 2268, 2403, 2492, 2511, 2542, 2583, 2604, 2759, 3204, 3321, 3348, 3444, 3649, 3738, 3813, 3906, 4428, 4806, 5022, 5084, 5166, 5518, 5607, 5859, 6642, 7209, 7298, 7476, 7626, 7749, 7812, 8277, 8897, 9612, 10044, 10332, 10947, 11036, 11214, 11439, 11718, 13284, 14418, 14596, 15252, 15498, 16554, 16821, 17577, 17794, 19313, 21894, 22428, 22878, 23247, 23436, 24831, 25543, 26691, 28836, 30996, 32841, 33108, 33642, 34317, 35154, 35588, 38626, 43788, 45756, 46494, 49662, 50463, 51086, 53382, 57939, 65682, 67284, 68634, 70308, 74493, 76629, 77252, 80073, 92988, 98523, 99324, 100926, 102172, 102951, 106764, 113119, 115878, 131364, 137268, 148986, 153258, 160146, 173817, 197046, 201852, 205902, 223479, 226238, 229887, 231756, 240219, 295569, 297972, 306516, 320292, 339357, 347634, 394092, 411804, 446958, 452476, 459774, 480438, 521451, 591138, 678714, 689661, 695268, 720657, 791833, 893916, 919548, 960876, 1018071, 1042902, 1182276, 1357428, 1379322, 1441314, 1564353, 1583666, 2036142, 2068983, 2085804, 2375499, 2758644, 2882628, 3054213, 3128706, 3167332, 4072284, 4137966, 4750998, 6108426, 6257412, 7126497, 8275932, 9162639, 9501996, 12216852, 14252994, 18325278, 21379491, 28505988, 36650556, 42758982, 64138473, 85517964, 128276946, 256553892]

約数ペア:

[(1, 256553892), (2, 128276946), (3, 85517964), (4, 64138473), (6, 42758982), (7, 36650556), (9, 28505988), (12, 21379491), (14, 18325278), (18, 14252994), (21, 12216852), (27, 9501996), (28, 9162639), (31, 8275932), (36, 7126497), (41, 6257412), (42, 6108426), (54, 4750998), (62, 4137966), (63, 4072284), (81, 3167332), (82, 3128706), (84, 3054213), (89, 2882628), (93, 2758644), (108, 2375499), (123, 2085804), (124, 2068983), (126, 2036142), (162, 1583666), (164, 1564353), (178, 1441314), (186, 1379322), (189, 1357428), (217, 1182276), (246, 1042902), (252, 1018071), (267, 960876), (279, 919548), (287, 893916), (324, 791833), (356, 720657), (369, 695268), (372, 689661), (378, 678714), (434, 591138), (492, 521451), (534, 480438), (558, 459774), (567, 452476), (574, 446958), (623, 411804), (651, 394092), (738, 347634), (756, 339357), (801, 320292), (837, 306516), (861, 297972), (868, 295569), (1068, 240219), (1107, 231756), (1116, 229887), (1134, 226238), (1148, 223479), (1246, 205902), (1271, 201852), (1302, 197046), (1476, 173817), (1602, 160146), (1674, 153258), (1722, 148986), (1869, 137268), (1953, 131364), (2214, 115878), (2268, 113119), (2403, 106764), (2492, 102951), (2511, 102172), (2542, 100926), (2583, 99324), (2604, 98523), (2759, 92988), (3204, 80073), (3321, 77252), (3348, 76629), (3444, 74493), (3649, 70308), (3738, 68634), (3813, 67284), (3906, 65682), (4428, 57939), (4806, 53382), (5022, 51086), (5084, 50463), (5166, 49662), (5518, 46494), (5607, 45756), (5859, 43788), (6642, 38626), (7209, 35588), (7298, 35154), (7476, 34317), (7626, 33642), (7749, 33108), (7812, 32841), (8277, 30996), (8897, 28836), (9612, 26691), (10044, 25543), (10332, 24831), (10947, 23436), (11036, 23247), (11214, 22878), (11439, 22428), (11718, 21894), (13284, 19313), (14418, 17794), (14596, 17577), (15252, 16821), (15498, 16554)]