31781568

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 224

約数和(自身を含む): 110605824

約数和(自身を除く): 78824256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 32, 34, 39, 42, 48, 51, 52, 56, 64, 68, 78, 84, 91, 96, 102, 104, 107, 112, 119, 136, 156, 168, 182, 192, 204, 208, 214, 221, 224, 238, 272, 273, 312, 321, 336, 357, 364, 408, 416, 428, 442, 448, 476, 544, 546, 624, 642, 663, 672, 714, 728, 749, 816, 832, 856, 884, 952, 1088, 1092, 1248, 1284, 1326, 1344, 1391, 1428, 1456, 1498, 1547, 1632, 1712, 1768, 1819, 1904, 2184, 2247, 2496, 2568, 2652, 2782, 2856, 2912, 2996, 3094, 3264, 3424, 3536, 3638, 3808, 4173, 4368, 4494, 4641, 5136, 5304, 5457, 5564, 5712, 5824, 5992, 6188, 6848, 7072, 7276, 7616, 8346, 8736, 8988, 9282, 9737, 10272, 10608, 10914, 11128, 11424, 11984, 12376, 12733, 14144, 14552, 16692, 17472, 17976, 18564, 19474, 20544, 21216, 21828, 22256, 22848, 23647, 23968, 24752, 25466, 29104, 29211, 33384, 35952, 37128, 38199, 38948, 42432, 43656, 44512, 47294, 47936, 49504, 50932, 58208, 58422, 66768, 70941, 71904, 74256, 76398, 77896, 87312, 89024, 94588, 99008, 101864, 116416, 116844, 133536, 141882, 143808, 148512, 152796, 155792, 165529, 174624, 189176, 203728, 233688, 267072, 283764, 297024, 305592, 311584, 331058, 349248, 378352, 407456, 467376, 496587, 567528, 611184, 623168, 662116, 756704, 814912, 934752, 993174, 1135056, 1222368, 1324232, 1513408, 1869504, 1986348, 2270112, 2444736, 2648464, 3972696, 4540224, 5296928, 7945392, 10593856, 15890784, 31781568]

約数ペア:

[(1, 31781568), (2, 15890784), (3, 10593856), (4, 7945392), (6, 5296928), (7, 4540224), (8, 3972696), (12, 2648464), (13, 2444736), (14, 2270112), (16, 1986348), (17, 1869504), (21, 1513408), (24, 1324232), (26, 1222368), (28, 1135056), (32, 993174), (34, 934752), (39, 814912), (42, 756704), (48, 662116), (51, 623168), (52, 611184), (56, 567528), (64, 496587), (68, 467376), (78, 407456), (84, 378352), (91, 349248), (96, 331058), (102, 311584), (104, 305592), (107, 297024), (112, 283764), (119, 267072), (136, 233688), (156, 203728), (168, 189176), (182, 174624), (192, 165529), (204, 155792), (208, 152796), (214, 148512), (221, 143808), (224, 141882), (238, 133536), (272, 116844), (273, 116416), (312, 101864), (321, 99008), (336, 94588), (357, 89024), (364, 87312), (408, 77896), (416, 76398), (428, 74256), (442, 71904), (448, 70941), (476, 66768), (544, 58422), (546, 58208), (624, 50932), (642, 49504), (663, 47936), (672, 47294), (714, 44512), (728, 43656), (749, 42432), (816, 38948), (832, 38199), (856, 37128), (884, 35952), (952, 33384), (1088, 29211), (1092, 29104), (1248, 25466), (1284, 24752), (1326, 23968), (1344, 23647), (1391, 22848), (1428, 22256), (1456, 21828), (1498, 21216), (1547, 20544), (1632, 19474), (1712, 18564), (1768, 17976), (1819, 17472), (1904, 16692), (2184, 14552), (2247, 14144), (2496, 12733), (2568, 12376), (2652, 11984), (2782, 11424), (2856, 11128), (2912, 10914), (2996, 10608), (3094, 10272), (3264, 9737), (3424, 9282), (3536, 8988), (3638, 8736), (3808, 8346), (4173, 7616), (4368, 7276), (4494, 7072), (4641, 6848), (5136, 6188), (5304, 5992), (5457, 5824), (5564, 5712)]