656547984

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 1937971200

約数和(自身を除く): 1281423216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 109, 144, 146, 191, 216, 218, 219, 292, 327, 382, 432, 436, 438, 573, 584, 654, 657, 764, 872, 876, 981, 1146, 1168, 1308, 1314, 1528, 1719, 1744, 1752, 1962, 1971, 2292, 2616, 2628, 2943, 3056, 3438, 3504, 3924, 3942, 4584, 5157, 5232, 5256, 5886, 6876, 7848, 7884, 7957, 9168, 10314, 10512, 11772, 13752, 13943, 15696, 15768, 15914, 20628, 20819, 23544, 23871, 27504, 27886, 31536, 31828, 41256, 41638, 41829, 47088, 47742, 55772, 62457, 63656, 71613, 82512, 83276, 83658, 95484, 111544, 124914, 125487, 127312, 143226, 166552, 167316, 187371, 190968, 214839, 223088, 249828, 250974, 286452, 333104, 334632, 374742, 376461, 381936, 429678, 499656, 501948, 562113, 572904, 669264, 749484, 752922, 859356, 999312, 1003896, 1124226, 1145808, 1498968, 1505844, 1519787, 1718712, 2007792, 2248452, 2997936, 3011688, 3039574, 3437424, 4496904, 4559361, 6023376, 6079148, 8993808, 9118722, 12158296, 13678083, 18237444, 24316592, 27356166, 36474888, 41034249, 54712332, 72949776, 82068498, 109424664, 164136996, 218849328, 328273992, 656547984]

約数ペア:

[(1, 656547984), (2, 328273992), (3, 218849328), (4, 164136996), (6, 109424664), (8, 82068498), (9, 72949776), (12, 54712332), (16, 41034249), (18, 36474888), (24, 27356166), (27, 24316592), (36, 18237444), (48, 13678083), (54, 12158296), (72, 9118722), (73, 8993808), (108, 6079148), (109, 6023376), (144, 4559361), (146, 4496904), (191, 3437424), (216, 3039574), (218, 3011688), (219, 2997936), (292, 2248452), (327, 2007792), (382, 1718712), (432, 1519787), (436, 1505844), (438, 1498968), (573, 1145808), (584, 1124226), (654, 1003896), (657, 999312), (764, 859356), (872, 752922), (876, 749484), (981, 669264), (1146, 572904), (1168, 562113), (1308, 501948), (1314, 499656), (1528, 429678), (1719, 381936), (1744, 376461), (1752, 374742), (1962, 334632), (1971, 333104), (2292, 286452), (2616, 250974), (2628, 249828), (2943, 223088), (3056, 214839), (3438, 190968), (3504, 187371), (3924, 167316), (3942, 166552), (4584, 143226), (5157, 127312), (5232, 125487), (5256, 124914), (5886, 111544), (6876, 95484), (7848, 83658), (7884, 83276), (7957, 82512), (9168, 71613), (10314, 63656), (10512, 62457), (11772, 55772), (13752, 47742), (13943, 47088), (15696, 41829), (15768, 41638), (15914, 41256), (20628, 31828), (20819, 31536), (23544, 27886), (23871, 27504)]