80523080

素因数分解:

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

素因数の和:291

約数の個数: 96

約数和(自身を含む): 202245120

約数和(自身を除く): 121722040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 131, 220, 242, 254, 262, 440, 484, 508, 524, 605, 635, 655, 968, 1016, 1048, 1210, 1270, 1310, 1397, 1441, 2420, 2540, 2620, 2794, 2882, 4840, 5080, 5240, 5588, 5764, 6985, 7205, 11176, 11528, 13970, 14410, 15367, 15851, 16637, 27940, 28820, 30734, 31702, 33274, 55880, 57640, 61468, 63404, 66548, 76835, 79255, 83185, 122936, 126808, 133096, 153670, 158510, 166370, 183007, 307340, 317020, 332740, 366014, 614680, 634040, 665480, 732028, 915035, 1464056, 1830070, 2013077, 3660140, 4026154, 7320280, 8052308, 10065385, 16104616, 20130770, 40261540, 80523080]

約数ペア:

[(1, 80523080), (2, 40261540), (4, 20130770), (5, 16104616), (8, 10065385), (10, 8052308), (11, 7320280), (20, 4026154), (22, 3660140), (40, 2013077), (44, 1830070), (55, 1464056), (88, 915035), (110, 732028), (121, 665480), (127, 634040), (131, 614680), (220, 366014), (242, 332740), (254, 317020), (262, 307340), (440, 183007), (484, 166370), (508, 158510), (524, 153670), (605, 133096), (635, 126808), (655, 122936), (968, 83185), (1016, 79255), (1048, 76835), (1210, 66548), (1270, 63404), (1310, 61468), (1397, 57640), (1441, 55880), (2420, 33274), (2540, 31702), (2620, 30734), (2794, 28820), (2882, 27940), (4840, 16637), (5080, 15851), (5240, 15367), (5588, 14410), (5764, 13970), (6985, 11528), (7205, 11176)]