7320280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 18247680

約数和(自身を除く): 10927400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 131, 220, 254, 262, 440, 508, 524, 635, 655, 1016, 1048, 1270, 1310, 1397, 1441, 2540, 2620, 2794, 2882, 5080, 5240, 5588, 5764, 6985, 7205, 11176, 11528, 13970, 14410, 16637, 27940, 28820, 33274, 55880, 57640, 66548, 83185, 133096, 166370, 183007, 332740, 366014, 665480, 732028, 915035, 1464056, 1830070, 3660140, 7320280]

約数ペア:

[(1, 7320280), (2, 3660140), (4, 1830070), (5, 1464056), (8, 915035), (10, 732028), (11, 665480), (20, 366014), (22, 332740), (40, 183007), (44, 166370), (55, 133096), (88, 83185), (110, 66548), (127, 57640), (131, 55880), (220, 33274), (254, 28820), (262, 27940), (440, 16637), (508, 14410), (524, 13970), (635, 11528), (655, 11176), (1016, 7205), (1048, 6985), (1270, 5764), (1310, 5588), (1397, 5240), (1441, 5080), (2540, 2882), (2620, 2794)]