67968180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17981}}^1$

素因数の和:18006

約数の個数: 96

約数和(自身を含む): 241678080

約数和(自身を除く): 173709900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 17981, 35962, 53943, 71924, 89905, 107886, 125867, 161829, 179810, 215772, 251734, 269715, 323658, 359620, 377601, 485487, 503468, 539430, 629335, 647316, 755202, 809145, 970974, 1078860, 1132803, 1258670, 1510404, 1618290, 1888005, 1941948, 2265606, 2427435, 2517340, 3236580, 3398409, 3776010, 4531212, 4854870, 5664015, 6796818, 7552020, 9709740, 11328030, 13593636, 16992045, 22656060, 33984090, 67968180]

約数ペア:

[(1, 67968180), (2, 33984090), (3, 22656060), (4, 16992045), (5, 13593636), (6, 11328030), (7, 9709740), (9, 7552020), (10, 6796818), (12, 5664015), (14, 4854870), (15, 4531212), (18, 3776010), (20, 3398409), (21, 3236580), (27, 2517340), (28, 2427435), (30, 2265606), (35, 1941948), (36, 1888005), (42, 1618290), (45, 1510404), (54, 1258670), (60, 1132803), (63, 1078860), (70, 970974), (84, 809145), (90, 755202), (105, 647316), (108, 629335), (126, 539430), (135, 503468), (140, 485487), (180, 377601), (189, 359620), (210, 323658), (252, 269715), (270, 251734), (315, 215772), (378, 179810), (420, 161829), (540, 125867), (630, 107886), (756, 89905), (945, 71924), (1260, 53943), (1890, 35962), (3780, 17981)]