42218475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 82494720

約数和(自身を除く): 40276245

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 43, 53, 57, 65, 75, 95, 129, 159, 195, 215, 247, 265, 285, 325, 475, 559, 645, 689, 741, 795, 817, 975, 1007, 1075, 1235, 1325, 1425, 1677, 2067, 2279, 2451, 2795, 3021, 3225, 3445, 3705, 3975, 4085, 5035, 6175, 6837, 8385, 10335, 10621, 11395, 12255, 13091, 13975, 15105, 17225, 18525, 20425, 25175, 29627, 31863, 34185, 39273, 41925, 43301, 51675, 53105, 56975, 61275, 65455, 75525, 88881, 129903, 148135, 159315, 170925, 196365, 216505, 265525, 327275, 444405, 562913, 649515, 740675, 796575, 981825, 1082525, 1688739, 2222025, 2814565, 3247575, 8443695, 14072825, 42218475]

約数ペア:

[(1, 42218475), (3, 14072825), (5, 8443695), (13, 3247575), (15, 2814565), (19, 2222025), (25, 1688739), (39, 1082525), (43, 981825), (53, 796575), (57, 740675), (65, 649515), (75, 562913), (95, 444405), (129, 327275), (159, 265525), (195, 216505), (215, 196365), (247, 170925), (265, 159315), (285, 148135), (325, 129903), (475, 88881), (559, 75525), (645, 65455), (689, 61275), (741, 56975), (795, 53105), (817, 51675), (975, 43301), (1007, 41925), (1075, 39273), (1235, 34185), (1325, 31863), (1425, 29627), (1677, 25175), (2067, 20425), (2279, 18525), (2451, 17225), (2795, 15105), (3021, 13975), (3225, 13091), (3445, 12255), (3705, 11395), (3975, 10621), (4085, 10335), (5035, 8385), (6175, 6837)]