28465080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 102435840

約数和(自身を除く): 73970760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 84, 94, 98, 103, 105, 120, 140, 141, 147, 168, 188, 196, 206, 210, 235, 245, 280, 282, 294, 309, 329, 376, 392, 412, 420, 470, 490, 515, 564, 588, 618, 658, 705, 721, 735, 824, 840, 940, 980, 987, 1030, 1128, 1176, 1236, 1316, 1410, 1442, 1470, 1545, 1645, 1880, 1960, 1974, 2060, 2163, 2303, 2472, 2632, 2820, 2884, 2940, 3090, 3290, 3605, 3948, 4120, 4326, 4606, 4841, 4935, 5047, 5640, 5768, 5880, 6180, 6580, 6909, 7210, 7896, 8652, 9212, 9682, 9870, 10094, 10815, 11515, 12360, 13160, 13818, 14420, 14523, 15141, 17304, 18424, 19364, 19740, 20188, 21630, 23030, 24205, 25235, 27636, 28840, 29046, 30282, 33887, 34545, 38728, 39480, 40376, 43260, 46060, 48410, 50470, 55272, 58092, 60564, 67774, 69090, 72615, 75705, 86520, 92120, 96820, 100940, 101661, 116184, 121128, 135548, 138180, 145230, 151410, 169435, 193640, 201880, 203322, 237209, 271096, 276360, 290460, 302820, 338870, 406644, 474418, 508305, 580920, 605640, 677740, 711627, 813288, 948836, 1016610, 1186045, 1355480, 1423254, 1897672, 2033220, 2372090, 2846508, 3558135, 4066440, 4744180, 5693016, 7116270, 9488360, 14232540, 28465080]

約数ペア:

[(1, 28465080), (2, 14232540), (3, 9488360), (4, 7116270), (5, 5693016), (6, 4744180), (7, 4066440), (8, 3558135), (10, 2846508), (12, 2372090), (14, 2033220), (15, 1897672), (20, 1423254), (21, 1355480), (24, 1186045), (28, 1016610), (30, 948836), (35, 813288), (40, 711627), (42, 677740), (47, 605640), (49, 580920), (56, 508305), (60, 474418), (70, 406644), (84, 338870), (94, 302820), (98, 290460), (103, 276360), (105, 271096), (120, 237209), (140, 203322), (141, 201880), (147, 193640), (168, 169435), (188, 151410), (196, 145230), (206, 138180), (210, 135548), (235, 121128), (245, 116184), (280, 101661), (282, 100940), (294, 96820), (309, 92120), (329, 86520), (376, 75705), (392, 72615), (412, 69090), (420, 67774), (470, 60564), (490, 58092), (515, 55272), (564, 50470), (588, 48410), (618, 46060), (658, 43260), (705, 40376), (721, 39480), (735, 38728), (824, 34545), (840, 33887), (940, 30282), (980, 29046), (987, 28840), (1030, 27636), (1128, 25235), (1176, 24205), (1236, 23030), (1316, 21630), (1410, 20188), (1442, 19740), (1470, 19364), (1545, 18424), (1645, 17304), (1880, 15141), (1960, 14523), (1974, 14420), (2060, 13818), (2163, 13160), (2303, 12360), (2472, 11515), (2632, 10815), (2820, 10094), (2884, 9870), (2940, 9682), (3090, 9212), (3290, 8652), (3605, 7896), (3948, 7210), (4120, 6909), (4326, 6580), (4606, 6180), (4841, 5880), (4935, 5768), (5047, 5640)]