78787072

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 160

約数和(自身を含む): 206236800

約数和(自身を除く): 127449728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 89, 91, 104, 112, 128, 133, 152, 178, 182, 208, 224, 247, 256, 266, 304, 356, 364, 416, 448, 494, 512, 532, 608, 623, 712, 728, 832, 896, 988, 1064, 1157, 1216, 1246, 1424, 1456, 1664, 1691, 1729, 1792, 1976, 2128, 2314, 2432, 2492, 2848, 2912, 3328, 3382, 3458, 3584, 3952, 4256, 4628, 4864, 4984, 5696, 5824, 6656, 6764, 6916, 7904, 8099, 8512, 9256, 9728, 9968, 11392, 11648, 11837, 13528, 13832, 15808, 16198, 17024, 18512, 19936, 21983, 22784, 23296, 23674, 27056, 27664, 31616, 32396, 34048, 37024, 39872, 43966, 45568, 46592, 47348, 54112, 55328, 63232, 64792, 68096, 74048, 79744, 87932, 94696, 108224, 110656, 126464, 129584, 148096, 153881, 159488, 175864, 189392, 216448, 221312, 259168, 296192, 307762, 318976, 351728, 378784, 432896, 442624, 518336, 592384, 615524, 703456, 757568, 865792, 885248, 1036672, 1231048, 1406912, 1515136, 2073344, 2462096, 2813824, 3030272, 4146688, 4924192, 5627648, 6060544, 9848384, 11255296, 19696768, 39393536, 78787072]

約数ペア:

[(1, 78787072), (2, 39393536), (4, 19696768), (7, 11255296), (8, 9848384), (13, 6060544), (14, 5627648), (16, 4924192), (19, 4146688), (26, 3030272), (28, 2813824), (32, 2462096), (38, 2073344), (52, 1515136), (56, 1406912), (64, 1231048), (76, 1036672), (89, 885248), (91, 865792), (104, 757568), (112, 703456), (128, 615524), (133, 592384), (152, 518336), (178, 442624), (182, 432896), (208, 378784), (224, 351728), (247, 318976), (256, 307762), (266, 296192), (304, 259168), (356, 221312), (364, 216448), (416, 189392), (448, 175864), (494, 159488), (512, 153881), (532, 148096), (608, 129584), (623, 126464), (712, 110656), (728, 108224), (832, 94696), (896, 87932), (988, 79744), (1064, 74048), (1157, 68096), (1216, 64792), (1246, 63232), (1424, 55328), (1456, 54112), (1664, 47348), (1691, 46592), (1729, 45568), (1792, 43966), (1976, 39872), (2128, 37024), (2314, 34048), (2432, 32396), (2492, 31616), (2848, 27664), (2912, 27056), (3328, 23674), (3382, 23296), (3458, 22784), (3584, 21983), (3952, 19936), (4256, 18512), (4628, 17024), (4864, 16198), (4984, 15808), (5696, 13832), (5824, 13528), (6656, 11837), (6764, 11648), (6916, 11392), (7904, 9968), (8099, 9728), (8512, 9256)]