138791280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{578297}}^1$

素因数の和:578313

約数の個数: 40

約数和(自身を含む): 430253712

約数和(自身を除く): 291462432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 578297, 1156594, 1734891, 2313188, 2891485, 3469782, 4626376, 5782970, 6939564, 8674455, 9252752, 11565940, 13879128, 17348910, 23131880, 27758256, 34697820, 46263760, 69395640, 138791280]

約数ペア:

[(1, 138791280), (2, 69395640), (3, 46263760), (4, 34697820), (5, 27758256), (6, 23131880), (8, 17348910), (10, 13879128), (12, 11565940), (15, 9252752), (16, 8674455), (20, 6939564), (24, 5782970), (30, 4626376), (40, 3469782), (48, 2891485), (60, 2313188), (80, 1734891), (120, 1156594), (240, 578297)]