81359824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 217486080

約数和(自身を除く): 136126256

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 112, 119, 133, 136, 152, 173, 182, 208, 221, 238, 247, 266, 272, 304, 323, 346, 364, 442, 476, 494, 532, 646, 692, 728, 884, 952, 988, 1064, 1211, 1292, 1384, 1456, 1547, 1729, 1768, 1904, 1976, 2128, 2249, 2261, 2422, 2584, 2768, 2941, 3094, 3287, 3458, 3536, 3952, 4199, 4498, 4522, 4844, 5168, 5882, 6188, 6574, 6916, 8398, 8996, 9044, 9688, 11764, 12376, 13148, 13832, 15743, 16796, 17992, 18088, 19376, 20587, 23009, 23528, 24752, 26296, 27664, 29393, 31486, 33592, 35984, 36176, 38233, 41174, 42731, 46018, 47056, 52592, 55879, 58786, 62972, 67184, 76466, 82348, 85462, 92036, 111758, 117572, 125944, 152932, 164696, 170924, 184072, 223516, 235144, 251888, 267631, 299117, 305864, 329392, 341848, 368144, 391153, 447032, 470288, 535262, 598234, 611728, 683696, 726427, 782306, 894064, 1070524, 1196468, 1452854, 1564612, 2141048, 2392936, 2905708, 3129224, 4282096, 4785872, 5084989, 5811416, 6258448, 10169978, 11622832, 20339956, 40679912, 81359824]

約数ペア:

[(1, 81359824), (2, 40679912), (4, 20339956), (7, 11622832), (8, 10169978), (13, 6258448), (14, 5811416), (16, 5084989), (17, 4785872), (19, 4282096), (26, 3129224), (28, 2905708), (34, 2392936), (38, 2141048), (52, 1564612), (56, 1452854), (68, 1196468), (76, 1070524), (91, 894064), (104, 782306), (112, 726427), (119, 683696), (133, 611728), (136, 598234), (152, 535262), (173, 470288), (182, 447032), (208, 391153), (221, 368144), (238, 341848), (247, 329392), (266, 305864), (272, 299117), (304, 267631), (323, 251888), (346, 235144), (364, 223516), (442, 184072), (476, 170924), (494, 164696), (532, 152932), (646, 125944), (692, 117572), (728, 111758), (884, 92036), (952, 85462), (988, 82348), (1064, 76466), (1211, 67184), (1292, 62972), (1384, 58786), (1456, 55879), (1547, 52592), (1729, 47056), (1768, 46018), (1904, 42731), (1976, 41174), (2128, 38233), (2249, 36176), (2261, 35984), (2422, 33592), (2584, 31486), (2768, 29393), (2941, 27664), (3094, 26296), (3287, 24752), (3458, 23528), (3536, 23009), (3952, 20587), (4199, 19376), (4498, 18088), (4522, 17992), (4844, 16796), (5168, 15743), (5882, 13832), (6188, 13148), (6574, 12376), (6916, 11764), (8398, 9688), (8996, 9044)]