331337920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 112

約数和(自身を含む): 823984128

約数和(自身を除く): 492646208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 263, 310, 320, 496, 508, 526, 620, 635, 992, 1016, 1052, 1240, 1270, 1315, 1984, 2032, 2104, 2480, 2540, 2630, 3937, 4064, 4208, 4960, 5080, 5260, 7874, 8128, 8153, 8416, 9920, 10160, 10520, 15748, 16306, 16832, 19685, 20320, 21040, 31496, 32612, 33401, 39370, 40640, 40765, 42080, 62992, 65224, 66802, 78740, 81530, 84160, 125984, 130448, 133604, 157480, 163060, 167005, 251968, 260896, 267208, 314960, 326120, 334010, 521792, 534416, 629920, 652240, 668020, 1035431, 1068832, 1259840, 1304480, 1336040, 2070862, 2137664, 2608960, 2672080, 4141724, 5177155, 5344160, 8283448, 10354310, 10688320, 16566896, 20708620, 33133792, 41417240, 66267584, 82834480, 165668960, 331337920]

約数ペア:

[(1, 331337920), (2, 165668960), (4, 82834480), (5, 66267584), (8, 41417240), (10, 33133792), (16, 20708620), (20, 16566896), (31, 10688320), (32, 10354310), (40, 8283448), (62, 5344160), (64, 5177155), (80, 4141724), (124, 2672080), (127, 2608960), (155, 2137664), (160, 2070862), (248, 1336040), (254, 1304480), (263, 1259840), (310, 1068832), (320, 1035431), (496, 668020), (508, 652240), (526, 629920), (620, 534416), (635, 521792), (992, 334010), (1016, 326120), (1052, 314960), (1240, 267208), (1270, 260896), (1315, 251968), (1984, 167005), (2032, 163060), (2104, 157480), (2480, 133604), (2540, 130448), (2630, 125984), (3937, 84160), (4064, 81530), (4208, 78740), (4960, 66802), (5080, 65224), (5260, 62992), (7874, 42080), (8128, 40765), (8153, 40640), (8416, 39370), (9920, 33401), (10160, 32612), (10520, 31496), (15748, 21040), (16306, 20320), (16832, 19685)]