71560280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 177465600

約数和(自身を除く): 105905320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1579, 2060, 2266, 3158, 4120, 4532, 5665, 6316, 7895, 9064, 11330, 12632, 15790, 17369, 22660, 31580, 34738, 45320, 63160, 69476, 86845, 138952, 162637, 173690, 325274, 347380, 650548, 694760, 813185, 1301096, 1626370, 1789007, 3252740, 3578014, 6505480, 7156028, 8945035, 14312056, 17890070, 35780140, 71560280]

約数ペア:

[(1, 71560280), (2, 35780140), (4, 17890070), (5, 14312056), (8, 8945035), (10, 7156028), (11, 6505480), (20, 3578014), (22, 3252740), (40, 1789007), (44, 1626370), (55, 1301096), (88, 813185), (103, 694760), (110, 650548), (206, 347380), (220, 325274), (412, 173690), (440, 162637), (515, 138952), (824, 86845), (1030, 69476), (1133, 63160), (1579, 45320), (2060, 34738), (2266, 31580), (3158, 22660), (4120, 17369), (4532, 15790), (5665, 12632), (6316, 11330), (7895, 9064)]