123397380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{685541}}^1$

素因数の和:685556

約数の個数: 36

約数和(自身を含む): 374305932

約数和(自身を除く): 250908552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 685541, 1371082, 2056623, 2742164, 3427705, 4113246, 6169869, 6855410, 8226492, 10283115, 12339738, 13710820, 20566230, 24679476, 30849345, 41132460, 61698690, 123397380]

約数ペア:

[(1, 123397380), (2, 61698690), (3, 41132460), (4, 30849345), (5, 24679476), (6, 20566230), (9, 13710820), (10, 12339738), (12, 10283115), (15, 8226492), (18, 6855410), (20, 6169869), (30, 4113246), (36, 3427705), (45, 2742164), (60, 2056623), (90, 1371082), (180, 685541)]