81284736

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 245044800

約数和(自身を除く): 163760064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 208, 228, 247, 304, 312, 384, 416, 456, 494, 608, 624, 741, 832, 857, 912, 988, 1216, 1248, 1482, 1664, 1714, 1824, 1976, 2432, 2496, 2571, 2964, 3428, 3648, 3952, 4992, 5142, 5928, 6856, 7296, 7904, 10284, 11141, 11856, 13712, 15808, 16283, 20568, 22282, 23712, 27424, 31616, 32566, 33423, 41136, 44564, 47424, 48849, 54848, 65132, 66846, 82272, 89128, 94848, 97698, 109696, 130264, 133692, 164544, 178256, 195396, 211679, 260528, 267384, 329088, 356512, 390792, 423358, 521056, 534768, 635037, 713024, 781584, 846716, 1042112, 1069536, 1270074, 1426048, 1563168, 1693432, 2084224, 2139072, 2540148, 3126336, 3386864, 4278144, 5080296, 6252672, 6773728, 10160592, 13547456, 20321184, 27094912, 40642368, 81284736]

約数ペア:

[(1, 81284736), (2, 40642368), (3, 27094912), (4, 20321184), (6, 13547456), (8, 10160592), (12, 6773728), (13, 6252672), (16, 5080296), (19, 4278144), (24, 3386864), (26, 3126336), (32, 2540148), (38, 2139072), (39, 2084224), (48, 1693432), (52, 1563168), (57, 1426048), (64, 1270074), (76, 1069536), (78, 1042112), (96, 846716), (104, 781584), (114, 713024), (128, 635037), (152, 534768), (156, 521056), (192, 423358), (208, 390792), (228, 356512), (247, 329088), (304, 267384), (312, 260528), (384, 211679), (416, 195396), (456, 178256), (494, 164544), (608, 133692), (624, 130264), (741, 109696), (832, 97698), (857, 94848), (912, 89128), (988, 82272), (1216, 66846), (1248, 65132), (1482, 54848), (1664, 48849), (1714, 47424), (1824, 44564), (1976, 41136), (2432, 33423), (2496, 32566), (2571, 31616), (2964, 27424), (3428, 23712), (3648, 22282), (3952, 20568), (4992, 16283), (5142, 15808), (5928, 13712), (6856, 11856), (7296, 11141), (7904, 10284)]