320401494520

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2707}}^1\times {\mathrm{7933}}^1$

素因数の和:11024

約数の個数: 64

約数和(自身を含む): 723194255520

約数和(自身を除く): 402792761000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2707, 2984, 3730, 5414, 7460, 7933, 10828, 13535, 14920, 15866, 21656, 27070, 31732, 39665, 54140, 63464, 79330, 108280, 158660, 317320, 1009711, 2019422, 2959009, 4038844, 5048555, 5918018, 8077688, 10097110, 11836036, 14795045, 20194220, 21474631, 23672072, 29590090, 40388440, 42949262, 59180180, 85898524, 107373155, 118360360, 171797048, 214746310, 429492620, 858985240, 8010037363, 16020074726, 32040149452, 40050186815, 64080298904, 80100373630, 160200747260, 320401494520]

約数ペア:

[(1, 320401494520), (2, 160200747260), (4, 80100373630), (5, 64080298904), (8, 40050186815), (10, 32040149452), (20, 16020074726), (40, 8010037363), (373, 858985240), (746, 429492620), (1492, 214746310), (1865, 171797048), (2707, 118360360), (2984, 107373155), (3730, 85898524), (5414, 59180180), (7460, 42949262), (7933, 40388440), (10828, 29590090), (13535, 23672072), (14920, 21474631), (15866, 20194220), (21656, 14795045), (27070, 11836036), (31732, 10097110), (39665, 8077688), (54140, 5918018), (63464, 5048555), (79330, 4038844), (108280, 2959009), (158660, 2019422), (317320, 1009711)]