269139520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2148

約数の個数: 112

約数和(自身を含む): 712793088

約数和(自身を除く): 443653568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2087, 2480, 3224, 4030, 4160, 4174, 4960, 6448, 8060, 8348, 9920, 10435, 12896, 16120, 16696, 20870, 25792, 27131, 32240, 33392, 41740, 54262, 64480, 64697, 66784, 83480, 108524, 128960, 129394, 133568, 135655, 166960, 217048, 258788, 271310, 323485, 333920, 434096, 517576, 542620, 646970, 667840, 841061, 868192, 1035152, 1085240, 1293940, 1682122, 1736384, 2070304, 2170480, 2587880, 3364244, 4140608, 4205305, 4340960, 5175760, 6728488, 8410610, 8681920, 10351520, 13456976, 16821220, 20703040, 26913952, 33642440, 53827904, 67284880, 134569760, 269139520]

約数ペア:

[(1, 269139520), (2, 134569760), (4, 67284880), (5, 53827904), (8, 33642440), (10, 26913952), (13, 20703040), (16, 16821220), (20, 13456976), (26, 10351520), (31, 8681920), (32, 8410610), (40, 6728488), (52, 5175760), (62, 4340960), (64, 4205305), (65, 4140608), (80, 3364244), (104, 2587880), (124, 2170480), (130, 2070304), (155, 1736384), (160, 1682122), (208, 1293940), (248, 1085240), (260, 1035152), (310, 868192), (320, 841061), (403, 667840), (416, 646970), (496, 542620), (520, 517576), (620, 434096), (806, 333920), (832, 323485), (992, 271310), (1040, 258788), (1240, 217048), (1612, 166960), (1984, 135655), (2015, 133568), (2080, 129394), (2087, 128960), (2480, 108524), (3224, 83480), (4030, 66784), (4160, 64697), (4174, 64480), (4960, 54262), (6448, 41740), (8060, 33392), (8348, 32240), (9920, 27131), (10435, 25792), (12896, 20870), (16120, 16696)]