161618560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13291}}^1$

素因数の和:13329

約数の個数: 64

約数和(自身を含む): 406735200

約数和(自身を除く): 245116640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 13291, 26582, 53164, 66455, 106328, 132910, 212656, 252529, 265820, 425312, 505058, 531640, 850624, 1010116, 1063280, 1262645, 1701248, 2020232, 2126560, 2525290, 4040464, 4253120, 5050580, 8080928, 8506240, 10101160, 16161856, 20202320, 32323712, 40404640, 80809280, 161618560]

約数ペア:

[(1, 161618560), (2, 80809280), (4, 40404640), (5, 32323712), (8, 20202320), (10, 16161856), (16, 10101160), (19, 8506240), (20, 8080928), (32, 5050580), (38, 4253120), (40, 4040464), (64, 2525290), (76, 2126560), (80, 2020232), (95, 1701248), (128, 1262645), (152, 1063280), (160, 1010116), (190, 850624), (304, 531640), (320, 505058), (380, 425312), (608, 265820), (640, 252529), (760, 212656), (1216, 132910), (1520, 106328), (2432, 66455), (3040, 53164), (6080, 26582), (12160, 13291)]