267172880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8287}}^1$

素因数の和:8344

約数の個数: 80

約数和(自身を含む): 690622464

約数和(自身を除く): 423449584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8287, 16120, 16574, 32240, 33148, 41435, 66296, 82870, 107731, 132592, 165740, 215462, 256897, 331480, 430924, 513794, 538655, 662960, 861848, 1027588, 1077310, 1284485, 1723696, 2055176, 2154620, 2568970, 3339661, 4110352, 4309240, 5137940, 6679322, 8618480, 10275880, 13358644, 16698305, 20551760, 26717288, 33396610, 53434576, 66793220, 133586440, 267172880]

約数ペア:

[(1, 267172880), (2, 133586440), (4, 66793220), (5, 53434576), (8, 33396610), (10, 26717288), (13, 20551760), (16, 16698305), (20, 13358644), (26, 10275880), (31, 8618480), (40, 6679322), (52, 5137940), (62, 4309240), (65, 4110352), (80, 3339661), (104, 2568970), (124, 2154620), (130, 2055176), (155, 1723696), (208, 1284485), (248, 1077310), (260, 1027588), (310, 861848), (403, 662960), (496, 538655), (520, 513794), (620, 430924), (806, 331480), (1040, 256897), (1240, 215462), (1612, 165740), (2015, 132592), (2480, 107731), (3224, 82870), (4030, 66296), (6448, 41435), (8060, 33148), (8287, 32240), (16120, 16574)]