31521490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 78962688

約数和(自身を除く): 47441198

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 47, 55, 65, 67, 70, 77, 91, 94, 110, 130, 134, 143, 154, 182, 235, 286, 329, 335, 385, 455, 469, 470, 517, 611, 658, 670, 715, 737, 770, 871, 910, 938, 1001, 1034, 1222, 1430, 1474, 1645, 1742, 2002, 2345, 2585, 3055, 3149, 3290, 3619, 3685, 4277, 4355, 4690, 5005, 5159, 5170, 6097, 6110, 6298, 6721, 7238, 7370, 8554, 8710, 9581, 10010, 10318, 12194, 13442, 15745, 18095, 19162, 21385, 22043, 25795, 30485, 31490, 33605, 34639, 36190, 40937, 42770, 44086, 47047, 47905, 51590, 60970, 67067, 67210, 69278, 81874, 94094, 95810, 110215, 134134, 173195, 204685, 220430, 235235, 242473, 286559, 335335, 346390, 409370, 450307, 470470, 484946, 573118, 670670, 900614, 1212365, 1432795, 2251535, 2424730, 2865590, 3152149, 4503070, 6304298, 15760745, 31521490]

約数ペア:

[(1, 31521490), (2, 15760745), (5, 6304298), (7, 4503070), (10, 3152149), (11, 2865590), (13, 2424730), (14, 2251535), (22, 1432795), (26, 1212365), (35, 900614), (47, 670670), (55, 573118), (65, 484946), (67, 470470), (70, 450307), (77, 409370), (91, 346390), (94, 335335), (110, 286559), (130, 242473), (134, 235235), (143, 220430), (154, 204685), (182, 173195), (235, 134134), (286, 110215), (329, 95810), (335, 94094), (385, 81874), (455, 69278), (469, 67210), (470, 67067), (517, 60970), (611, 51590), (658, 47905), (670, 47047), (715, 44086), (737, 42770), (770, 40937), (871, 36190), (910, 34639), (938, 33605), (1001, 31490), (1034, 30485), (1222, 25795), (1430, 22043), (1474, 21385), (1645, 19162), (1742, 18095), (2002, 15745), (2345, 13442), (2585, 12194), (3055, 10318), (3149, 10010), (3290, 9581), (3619, 8710), (3685, 8554), (4277, 7370), (4355, 7238), (4690, 6721), (5005, 6298), (5159, 6110), (5170, 6097)]