31880576

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 87907680

約数和(自身を除く): 56027104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 23, 26, 28, 32, 34, 46, 49, 52, 56, 64, 68, 91, 92, 98, 104, 112, 119, 128, 136, 161, 182, 184, 196, 208, 221, 224, 238, 272, 299, 322, 364, 368, 391, 392, 416, 442, 448, 476, 544, 598, 637, 644, 728, 736, 782, 784, 832, 833, 884, 896, 952, 1088, 1127, 1196, 1274, 1288, 1456, 1472, 1547, 1564, 1568, 1664, 1666, 1768, 1904, 2093, 2176, 2254, 2392, 2548, 2576, 2737, 2912, 2944, 3094, 3128, 3136, 3332, 3536, 3808, 4186, 4508, 4784, 5083, 5096, 5152, 5474, 5824, 6188, 6256, 6272, 6664, 7072, 7616, 8372, 9016, 9568, 10166, 10192, 10304, 10829, 10948, 11648, 12376, 12512, 13328, 14144, 14651, 15232, 16744, 18032, 19136, 19159, 20332, 20384, 20608, 21658, 21896, 24752, 25024, 26656, 28288, 29302, 33488, 35581, 36064, 38272, 38318, 40664, 40768, 43316, 43792, 49504, 50048, 53312, 58604, 66976, 71162, 72128, 76636, 81328, 81536, 86632, 87584, 99008, 106624, 117208, 133952, 142324, 144256, 153272, 162656, 173264, 175168, 198016, 234416, 249067, 267904, 284648, 306544, 325312, 346528, 350336, 468832, 498134, 569296, 613088, 650624, 693056, 937664, 996268, 1138592, 1226176, 1386112, 1875328, 1992536, 2277184, 2452352, 3985072, 4554368, 7970144, 15940288, 31880576]

約数ペア:

[(1, 31880576), (2, 15940288), (4, 7970144), (7, 4554368), (8, 3985072), (13, 2452352), (14, 2277184), (16, 1992536), (17, 1875328), (23, 1386112), (26, 1226176), (28, 1138592), (32, 996268), (34, 937664), (46, 693056), (49, 650624), (52, 613088), (56, 569296), (64, 498134), (68, 468832), (91, 350336), (92, 346528), (98, 325312), (104, 306544), (112, 284648), (119, 267904), (128, 249067), (136, 234416), (161, 198016), (182, 175168), (184, 173264), (196, 162656), (208, 153272), (221, 144256), (224, 142324), (238, 133952), (272, 117208), (299, 106624), (322, 99008), (364, 87584), (368, 86632), (391, 81536), (392, 81328), (416, 76636), (442, 72128), (448, 71162), (476, 66976), (544, 58604), (598, 53312), (637, 50048), (644, 49504), (728, 43792), (736, 43316), (782, 40768), (784, 40664), (832, 38318), (833, 38272), (884, 36064), (896, 35581), (952, 33488), (1088, 29302), (1127, 28288), (1196, 26656), (1274, 25024), (1288, 24752), (1456, 21896), (1472, 21658), (1547, 20608), (1564, 20384), (1568, 20332), (1664, 19159), (1666, 19136), (1768, 18032), (1904, 16744), (2093, 15232), (2176, 14651), (2254, 14144), (2392, 13328), (2548, 12512), (2576, 12376), (2737, 11648), (2912, 10948), (2944, 10829), (3094, 10304), (3128, 10192), (3136, 10166), (3332, 9568), (3536, 9016), (3808, 8372), (4186, 7616), (4508, 7072), (4784, 6664), (5083, 6272), (5096, 6256), (5152, 6188), (5474, 5824)]