77628760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 196978320

約数和(自身を除く): 119349560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 172, 215, 220, 242, 344, 373, 430, 440, 473, 484, 605, 746, 860, 946, 968, 1210, 1492, 1720, 1865, 1892, 2365, 2420, 2984, 3730, 3784, 4103, 4730, 4840, 5203, 7460, 8206, 9460, 10406, 14920, 16039, 16412, 18920, 20515, 20812, 26015, 32078, 32824, 41030, 41624, 45133, 52030, 64156, 80195, 82060, 90266, 104060, 128312, 160390, 164120, 176429, 180532, 208120, 225665, 320780, 352858, 361064, 451330, 641560, 705716, 882145, 902660, 1411432, 1764290, 1805320, 1940719, 3528580, 3881438, 7057160, 7762876, 9703595, 15525752, 19407190, 38814380, 77628760]

約数ペア:

[(1, 77628760), (2, 38814380), (4, 19407190), (5, 15525752), (8, 9703595), (10, 7762876), (11, 7057160), (20, 3881438), (22, 3528580), (40, 1940719), (43, 1805320), (44, 1764290), (55, 1411432), (86, 902660), (88, 882145), (110, 705716), (121, 641560), (172, 451330), (215, 361064), (220, 352858), (242, 320780), (344, 225665), (373, 208120), (430, 180532), (440, 176429), (473, 164120), (484, 160390), (605, 128312), (746, 104060), (860, 90266), (946, 82060), (968, 80195), (1210, 64156), (1492, 52030), (1720, 45133), (1865, 41624), (1892, 41030), (2365, 32824), (2420, 32078), (2984, 26015), (3730, 20812), (3784, 20515), (4103, 18920), (4730, 16412), (4840, 16039), (5203, 14920), (7460, 10406), (8206, 9460)]