90178816

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 228928000

約数和(自身を除く): 138749184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 79, 91, 98, 104, 112, 128, 158, 182, 196, 208, 224, 256, 316, 343, 364, 392, 416, 448, 553, 632, 637, 686, 728, 784, 832, 896, 1027, 1106, 1264, 1274, 1372, 1456, 1568, 1664, 1792, 2054, 2212, 2528, 2548, 2744, 2912, 3136, 3328, 3871, 4108, 4424, 4459, 5056, 5096, 5488, 5824, 6272, 7189, 7742, 8216, 8848, 8918, 10112, 10192, 10976, 11648, 12544, 14378, 15484, 16432, 17696, 17836, 20224, 20384, 21952, 23296, 27097, 28756, 30968, 32864, 35392, 35672, 40768, 43904, 50323, 54194, 57512, 61936, 65728, 70784, 71344, 81536, 87808, 100646, 108388, 115024, 123872, 131456, 141568, 142688, 163072, 201292, 216776, 230048, 247744, 262912, 285376, 352261, 402584, 433552, 460096, 495488, 570752, 704522, 805168, 867104, 920192, 990976, 1141504, 1409044, 1610336, 1734208, 1840384, 2818088, 3220672, 3468416, 5636176, 6441344, 6936832, 11272352, 12882688, 22544704, 45089408, 90178816]

約数ペア:

[(1, 90178816), (2, 45089408), (4, 22544704), (7, 12882688), (8, 11272352), (13, 6936832), (14, 6441344), (16, 5636176), (26, 3468416), (28, 3220672), (32, 2818088), (49, 1840384), (52, 1734208), (56, 1610336), (64, 1409044), (79, 1141504), (91, 990976), (98, 920192), (104, 867104), (112, 805168), (128, 704522), (158, 570752), (182, 495488), (196, 460096), (208, 433552), (224, 402584), (256, 352261), (316, 285376), (343, 262912), (364, 247744), (392, 230048), (416, 216776), (448, 201292), (553, 163072), (632, 142688), (637, 141568), (686, 131456), (728, 123872), (784, 115024), (832, 108388), (896, 100646), (1027, 87808), (1106, 81536), (1264, 71344), (1274, 70784), (1372, 65728), (1456, 61936), (1568, 57512), (1664, 54194), (1792, 50323), (2054, 43904), (2212, 40768), (2528, 35672), (2548, 35392), (2744, 32864), (2912, 30968), (3136, 28756), (3328, 27097), (3871, 23296), (4108, 21952), (4424, 20384), (4459, 20224), (5056, 17836), (5096, 17696), (5488, 16432), (5824, 15484), (6272, 14378), (7189, 12544), (7742, 11648), (8216, 10976), (8848, 10192), (8918, 10112)]