128674728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 440294400

約数和(自身を除く): 311619672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 41, 42, 52, 56, 63, 72, 78, 82, 84, 91, 104, 117, 123, 126, 156, 164, 168, 182, 234, 246, 252, 273, 287, 312, 328, 364, 369, 468, 479, 492, 504, 533, 546, 574, 728, 738, 819, 861, 936, 958, 984, 1066, 1092, 1148, 1437, 1476, 1599, 1638, 1722, 1916, 2132, 2184, 2296, 2583, 2874, 2952, 3198, 3276, 3353, 3444, 3731, 3832, 4264, 4311, 4797, 5166, 5748, 6227, 6396, 6552, 6706, 6888, 7462, 8622, 9594, 10059, 10332, 11193, 11496, 12454, 12792, 13412, 14924, 17244, 18681, 19188, 19639, 20118, 20664, 22386, 24908, 26824, 29848, 30177, 33579, 34488, 37362, 38376, 39278, 40236, 43589, 44772, 49816, 56043, 58917, 60354, 67158, 74724, 78556, 80472, 87178, 89544, 112086, 117834, 120708, 130767, 134316, 137473, 149448, 157112, 174356, 176751, 224172, 235668, 241416, 255307, 261534, 268632, 274946, 348712, 353502, 392301, 412419, 448344, 471336, 510614, 523068, 549892, 707004, 765921, 784602, 824838, 1021228, 1046136, 1099784, 1237257, 1414008, 1531842, 1569204, 1649676, 1787149, 2042456, 2297763, 2474514, 3063684, 3138408, 3299352, 3574298, 4595526, 4949028, 5361447, 6127368, 7148596, 9191052, 9898056, 10722894, 14297192, 16084341, 18382104, 21445788, 32168682, 42891576, 64337364, 128674728]

約数ペア:

[(1, 128674728), (2, 64337364), (3, 42891576), (4, 32168682), (6, 21445788), (7, 18382104), (8, 16084341), (9, 14297192), (12, 10722894), (13, 9898056), (14, 9191052), (18, 7148596), (21, 6127368), (24, 5361447), (26, 4949028), (28, 4595526), (36, 3574298), (39, 3299352), (41, 3138408), (42, 3063684), (52, 2474514), (56, 2297763), (63, 2042456), (72, 1787149), (78, 1649676), (82, 1569204), (84, 1531842), (91, 1414008), (104, 1237257), (117, 1099784), (123, 1046136), (126, 1021228), (156, 824838), (164, 784602), (168, 765921), (182, 707004), (234, 549892), (246, 523068), (252, 510614), (273, 471336), (287, 448344), (312, 412419), (328, 392301), (364, 353502), (369, 348712), (468, 274946), (479, 268632), (492, 261534), (504, 255307), (533, 241416), (546, 235668), (574, 224172), (728, 176751), (738, 174356), (819, 157112), (861, 149448), (936, 137473), (958, 134316), (984, 130767), (1066, 120708), (1092, 117834), (1148, 112086), (1437, 89544), (1476, 87178), (1599, 80472), (1638, 78556), (1722, 74724), (1916, 67158), (2132, 60354), (2184, 58917), (2296, 56043), (2583, 49816), (2874, 44772), (2952, 43589), (3198, 40236), (3276, 39278), (3353, 38376), (3444, 37362), (3731, 34488), (3832, 33579), (4264, 30177), (4311, 29848), (4797, 26824), (5166, 24908), (5748, 22386), (6227, 20664), (6396, 20118), (6552, 19639), (6706, 19188), (6888, 18681), (7462, 17244), (8622, 14924), (9594, 13412), (10059, 12792), (10332, 12454), (11193, 11496)]