257349456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:554

約数の個数: 240

約数和(自身を含む): 909941760

約数和(自身を除く): 652592304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 41, 42, 48, 52, 56, 63, 72, 78, 82, 84, 91, 104, 112, 117, 123, 126, 144, 156, 164, 168, 182, 208, 234, 246, 252, 273, 287, 312, 328, 336, 364, 369, 468, 479, 492, 504, 533, 546, 574, 624, 656, 728, 738, 819, 861, 936, 958, 984, 1008, 1066, 1092, 1148, 1437, 1456, 1476, 1599, 1638, 1722, 1872, 1916, 1968, 2132, 2184, 2296, 2583, 2874, 2952, 3198, 3276, 3353, 3444, 3731, 3832, 4264, 4311, 4368, 4592, 4797, 5166, 5748, 5904, 6227, 6396, 6552, 6706, 6888, 7462, 7664, 8528, 8622, 9594, 10059, 10332, 11193, 11496, 12454, 12792, 13104, 13412, 13776, 14924, 17244, 18681, 19188, 19639, 20118, 20664, 22386, 22992, 24908, 25584, 26824, 29848, 30177, 33579, 34488, 37362, 38376, 39278, 40236, 41328, 43589, 44772, 49816, 53648, 56043, 58917, 59696, 60354, 67158, 68976, 74724, 76752, 78556, 80472, 87178, 89544, 99632, 112086, 117834, 120708, 130767, 134316, 137473, 149448, 157112, 160944, 174356, 176751, 179088, 224172, 235668, 241416, 255307, 261534, 268632, 274946, 298896, 314224, 348712, 353502, 392301, 412419, 448344, 471336, 482832, 510614, 523068, 537264, 549892, 697424, 707004, 765921, 784602, 824838, 896688, 942672, 1021228, 1046136, 1099784, 1237257, 1414008, 1531842, 1569204, 1649676, 1787149, 2042456, 2092272, 2199568, 2297763, 2474514, 2828016, 3063684, 3138408, 3299352, 3574298, 4084912, 4595526, 4949028, 5361447, 6127368, 6276816, 6598704, 7148596, 9191052, 9898056, 10722894, 12254736, 14297192, 16084341, 18382104, 19796112, 21445788, 28594384, 32168682, 36764208, 42891576, 64337364, 85783152, 128674728, 257349456]

約数ペア:

[(1, 257349456), (2, 128674728), (3, 85783152), (4, 64337364), (6, 42891576), (7, 36764208), (8, 32168682), (9, 28594384), (12, 21445788), (13, 19796112), (14, 18382104), (16, 16084341), (18, 14297192), (21, 12254736), (24, 10722894), (26, 9898056), (28, 9191052), (36, 7148596), (39, 6598704), (41, 6276816), (42, 6127368), (48, 5361447), (52, 4949028), (56, 4595526), (63, 4084912), (72, 3574298), (78, 3299352), (82, 3138408), (84, 3063684), (91, 2828016), (104, 2474514), (112, 2297763), (117, 2199568), (123, 2092272), (126, 2042456), (144, 1787149), (156, 1649676), (164, 1569204), (168, 1531842), (182, 1414008), (208, 1237257), (234, 1099784), (246, 1046136), (252, 1021228), (273, 942672), (287, 896688), (312, 824838), (328, 784602), (336, 765921), (364, 707004), (369, 697424), (468, 549892), (479, 537264), (492, 523068), (504, 510614), (533, 482832), (546, 471336), (574, 448344), (624, 412419), (656, 392301), (728, 353502), (738, 348712), (819, 314224), (861, 298896), (936, 274946), (958, 268632), (984, 261534), (1008, 255307), (1066, 241416), (1092, 235668), (1148, 224172), (1437, 179088), (1456, 176751), (1476, 174356), (1599, 160944), (1638, 157112), (1722, 149448), (1872, 137473), (1916, 134316), (1968, 130767), (2132, 120708), (2184, 117834), (2296, 112086), (2583, 99632), (2874, 89544), (2952, 87178), (3198, 80472), (3276, 78556), (3353, 76752), (3444, 74724), (3731, 68976), (3832, 67158), (4264, 60354), (4311, 59696), (4368, 58917), (4592, 56043), (4797, 53648), (5166, 49816), (5748, 44772), (5904, 43589), (6227, 41328), (6396, 40236), (6552, 39278), (6706, 38376), (6888, 37362), (7462, 34488), (7664, 33579), (8528, 30177), (8622, 29848), (9594, 26824), (10059, 25584), (10332, 24908), (11193, 22992), (11496, 22386), (12454, 20664), (12792, 20118), (13104, 19639), (13412, 19188), (13776, 18681), (14924, 17244)]