77736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{887}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 200759040

約数和(自身を除く): 123022360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 887, 1252, 1565, 1774, 2191, 2504, 3130, 3548, 4382, 4435, 6209, 6260, 7096, 8764, 8870, 10955, 12418, 12520, 17528, 17740, 21910, 24836, 31045, 35480, 43820, 49672, 62090, 87640, 124180, 248360, 277631, 555262, 1110524, 1388155, 1943417, 2221048, 2776310, 3886834, 5552620, 7773668, 9717085, 11105240, 15547336, 19434170, 38868340, 77736680]

約数ペア:

[(1, 77736680), (2, 38868340), (4, 19434170), (5, 15547336), (7, 11105240), (8, 9717085), (10, 7773668), (14, 5552620), (20, 3886834), (28, 2776310), (35, 2221048), (40, 1943417), (56, 1388155), (70, 1110524), (140, 555262), (280, 277631), (313, 248360), (626, 124180), (887, 87640), (1252, 62090), (1565, 49672), (1774, 43820), (2191, 35480), (2504, 31045), (3130, 24836), (3548, 21910), (4382, 17740), (4435, 17528), (6209, 12520), (6260, 12418), (7096, 10955), (8764, 8870)]