77628680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4441}}^1$

素因数の和:4494

約数の個数: 64

約数和(自身を含む): 191894400

約数和(自身を除く): 114265720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 4441, 8740, 8882, 17480, 17764, 22205, 35528, 44410, 84379, 88820, 102143, 168758, 177640, 204286, 337516, 408572, 421895, 510715, 675032, 817144, 843790, 1021430, 1687580, 1940717, 2042860, 3375160, 3881434, 4085720, 7762868, 9703585, 15525736, 19407170, 38814340, 77628680]

約数ペア:

[(1, 77628680), (2, 38814340), (4, 19407170), (5, 15525736), (8, 9703585), (10, 7762868), (19, 4085720), (20, 3881434), (23, 3375160), (38, 2042860), (40, 1940717), (46, 1687580), (76, 1021430), (92, 843790), (95, 817144), (115, 675032), (152, 510715), (184, 421895), (190, 408572), (230, 337516), (380, 204286), (437, 177640), (460, 168758), (760, 102143), (874, 88820), (920, 84379), (1748, 44410), (2185, 35528), (3496, 22205), (4370, 17764), (4441, 17480), (8740, 8882)]