154638568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 218609432

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 71, 76, 89, 92, 133, 142, 152, 161, 178, 184, 266, 284, 322, 356, 437, 497, 532, 568, 623, 644, 712, 874, 994, 1064, 1246, 1288, 1349, 1633, 1691, 1748, 1988, 2047, 2492, 2698, 3059, 3266, 3382, 3496, 3976, 4094, 4984, 5396, 6118, 6319, 6532, 6764, 8188, 9443, 10792, 11431, 11837, 12236, 12638, 13064, 13528, 14329, 16376, 18886, 22862, 23674, 24472, 25276, 28658, 31027, 37772, 38893, 44233, 45724, 47348, 50552, 57316, 62054, 75544, 77786, 88466, 91448, 94696, 114632, 120061, 124108, 145337, 155572, 176932, 217189, 240122, 248216, 272251, 290674, 311144, 353864, 434378, 480244, 544502, 581348, 840427, 868756, 960488, 1017359, 1089004, 1162696, 1680854, 1737512, 2034718, 2178008, 2761403, 3361708, 4069436, 5522806, 6723416, 8138872, 11045612, 19329821, 22091224, 38659642, 77319284, 154638568]

約数ペア:

[(1, 154638568), (2, 77319284), (4, 38659642), (7, 22091224), (8, 19329821), (14, 11045612), (19, 8138872), (23, 6723416), (28, 5522806), (38, 4069436), (46, 3361708), (56, 2761403), (71, 2178008), (76, 2034718), (89, 1737512), (92, 1680854), (133, 1162696), (142, 1089004), (152, 1017359), (161, 960488), (178, 868756), (184, 840427), (266, 581348), (284, 544502), (322, 480244), (356, 434378), (437, 353864), (497, 311144), (532, 290674), (568, 272251), (623, 248216), (644, 240122), (712, 217189), (874, 176932), (994, 155572), (1064, 145337), (1246, 124108), (1288, 120061), (1349, 114632), (1633, 94696), (1691, 91448), (1748, 88466), (1988, 77786), (2047, 75544), (2492, 62054), (2698, 57316), (3059, 50552), (3266, 47348), (3382, 45724), (3496, 44233), (3976, 38893), (4094, 37772), (4984, 31027), (5396, 28658), (6118, 25276), (6319, 24472), (6532, 23674), (6764, 22862), (8188, 18886), (9443, 16376), (10792, 14329), (11431, 13528), (11837, 13064), (12236, 12638)]