72409428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 242895744

約数和(自身を除く): 170486316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 31, 36, 39, 42, 46, 52, 62, 63, 69, 78, 84, 91, 92, 93, 117, 124, 126, 138, 156, 161, 182, 186, 207, 217, 234, 252, 273, 276, 279, 299, 322, 364, 372, 403, 414, 434, 468, 483, 546, 558, 598, 644, 651, 713, 806, 819, 828, 868, 897, 961, 966, 1092, 1116, 1196, 1209, 1302, 1426, 1449, 1612, 1638, 1794, 1922, 1932, 1953, 2093, 2139, 2418, 2604, 2691, 2821, 2852, 2883, 2898, 3276, 3588, 3627, 3844, 3906, 4186, 4278, 4836, 4991, 5382, 5642, 5766, 5796, 6279, 6417, 6727, 7254, 7812, 8372, 8463, 8556, 8649, 9269, 9982, 10764, 11284, 11532, 12493, 12558, 12834, 13454, 14508, 14973, 16926, 17298, 18538, 18837, 19964, 20181, 22103, 24986, 25116, 25389, 25668, 26908, 27807, 29946, 33852, 34596, 37076, 37479, 37674, 40362, 44206, 44919, 49972, 50778, 55614, 59892, 60543, 64883, 66309, 74958, 75348, 80724, 83421, 87451, 88412, 89838, 101556, 111228, 112437, 121086, 129766, 132618, 149916, 154721, 166842, 174902, 179676, 194649, 198927, 224874, 242172, 259532, 262353, 265236, 287339, 309442, 333684, 349804, 389298, 397854, 449748, 464163, 524706, 574678, 583947, 618884, 778596, 787059, 795708, 862017, 928326, 1049412, 1149356, 1167894, 1392489, 1574118, 1724034, 1856652, 2011373, 2335788, 2586051, 2784978, 3148236, 3448068, 4022746, 5172102, 5569956, 6034119, 8045492, 10344204, 12068238, 18102357, 24136476, 36204714, 72409428]

約数ペア:

[(1, 72409428), (2, 36204714), (3, 24136476), (4, 18102357), (6, 12068238), (7, 10344204), (9, 8045492), (12, 6034119), (13, 5569956), (14, 5172102), (18, 4022746), (21, 3448068), (23, 3148236), (26, 2784978), (28, 2586051), (31, 2335788), (36, 2011373), (39, 1856652), (42, 1724034), (46, 1574118), (52, 1392489), (62, 1167894), (63, 1149356), (69, 1049412), (78, 928326), (84, 862017), (91, 795708), (92, 787059), (93, 778596), (117, 618884), (124, 583947), (126, 574678), (138, 524706), (156, 464163), (161, 449748), (182, 397854), (186, 389298), (207, 349804), (217, 333684), (234, 309442), (252, 287339), (273, 265236), (276, 262353), (279, 259532), (299, 242172), (322, 224874), (364, 198927), (372, 194649), (403, 179676), (414, 174902), (434, 166842), (468, 154721), (483, 149916), (546, 132618), (558, 129766), (598, 121086), (644, 112437), (651, 111228), (713, 101556), (806, 89838), (819, 88412), (828, 87451), (868, 83421), (897, 80724), (961, 75348), (966, 74958), (1092, 66309), (1116, 64883), (1196, 60543), (1209, 59892), (1302, 55614), (1426, 50778), (1449, 49972), (1612, 44919), (1638, 44206), (1794, 40362), (1922, 37674), (1932, 37479), (1953, 37076), (2093, 34596), (2139, 33852), (2418, 29946), (2604, 27807), (2691, 26908), (2821, 25668), (2852, 25389), (2883, 25116), (2898, 24986), (3276, 22103), (3588, 20181), (3627, 19964), (3844, 18837), (3906, 18538), (4186, 17298), (4278, 16926), (4836, 14973), (4991, 14508), (5382, 13454), (5642, 12834), (5766, 12558), (5796, 12493), (6279, 11532), (6417, 11284), (6727, 10764), (7254, 9982), (7812, 9269), (8372, 8649), (8463, 8556)]