398928960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{138517}}^1$

素因数の和:138540

約数の個数: 84

約数和(自身を含む): 1372159308

約数和(自身を除く): 973230348

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 138517, 277034, 415551, 554068, 692585, 831102, 1108136, 1246653, 1385170, 1662204, 2077755, 2216272, 2493306, 2770340, 3324408, 4155510, 4432544, 4986612, 5540680, 6233265, 6648816, 8311020, 8865088, 9973224, 11081360, 12466530, 13297632, 16622040, 19946448, 22162720, 24933060, 26595264, 33244080, 39892896, 44325440, 49866120, 66488160, 79785792, 99732240, 132976320, 199464480, 398928960]

約数ペア:

[(1, 398928960), (2, 199464480), (3, 132976320), (4, 99732240), (5, 79785792), (6, 66488160), (8, 49866120), (9, 44325440), (10, 39892896), (12, 33244080), (15, 26595264), (16, 24933060), (18, 22162720), (20, 19946448), (24, 16622040), (30, 13297632), (32, 12466530), (36, 11081360), (40, 9973224), (45, 8865088), (48, 8311020), (60, 6648816), (64, 6233265), (72, 5540680), (80, 4986612), (90, 4432544), (96, 4155510), (120, 3324408), (144, 2770340), (160, 2493306), (180, 2216272), (192, 2077755), (240, 1662204), (288, 1385170), (320, 1246653), (360, 1108136), (480, 831102), (576, 692585), (720, 554068), (960, 415551), (1440, 277034), (2880, 138517)]