164307520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 112

約数和(自身を含む): 426037248

約数和(自身を除く): 261729728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 311, 320, 416, 508, 520, 622, 635, 832, 1016, 1040, 1244, 1270, 1555, 1651, 2032, 2080, 2488, 2540, 3110, 3302, 4043, 4064, 4160, 4976, 5080, 6220, 6604, 8086, 8128, 8255, 9952, 10160, 12440, 13208, 16172, 16510, 19904, 20215, 20320, 24880, 26416, 32344, 33020, 39497, 40430, 40640, 49760, 52832, 64688, 66040, 78994, 80860, 99520, 105664, 129376, 132080, 157988, 161720, 197485, 258752, 264160, 315976, 323440, 394970, 513461, 528320, 631952, 646880, 789940, 1026922, 1263904, 1293760, 1579880, 2053844, 2527808, 2567305, 3159760, 4107688, 5134610, 6319520, 8215376, 10269220, 12639040, 16430752, 20538440, 32861504, 41076880, 82153760, 164307520]

約数ペア:

[(1, 164307520), (2, 82153760), (4, 41076880), (5, 32861504), (8, 20538440), (10, 16430752), (13, 12639040), (16, 10269220), (20, 8215376), (26, 6319520), (32, 5134610), (40, 4107688), (52, 3159760), (64, 2567305), (65, 2527808), (80, 2053844), (104, 1579880), (127, 1293760), (130, 1263904), (160, 1026922), (208, 789940), (254, 646880), (260, 631952), (311, 528320), (320, 513461), (416, 394970), (508, 323440), (520, 315976), (622, 264160), (635, 258752), (832, 197485), (1016, 161720), (1040, 157988), (1244, 132080), (1270, 129376), (1555, 105664), (1651, 99520), (2032, 80860), (2080, 78994), (2488, 66040), (2540, 64688), (3110, 52832), (3302, 49760), (4043, 40640), (4064, 40430), (4160, 39497), (4976, 33020), (5080, 32344), (6220, 26416), (6604, 24880), (8086, 20320), (8128, 20215), (8255, 19904), (9952, 16510), (10160, 16172), (12440, 13208)]