215521320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 256

約数和(自身を含む): 776355840

約数和(自身を除く): 560834520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 53, 56, 60, 70, 84, 94, 103, 105, 106, 120, 140, 141, 159, 168, 188, 206, 210, 212, 235, 265, 280, 282, 309, 318, 329, 371, 376, 412, 420, 424, 470, 515, 530, 564, 618, 636, 658, 705, 721, 742, 795, 824, 840, 940, 987, 1030, 1060, 1113, 1128, 1236, 1272, 1316, 1410, 1442, 1484, 1545, 1590, 1645, 1855, 1880, 1974, 2060, 2120, 2163, 2226, 2472, 2491, 2632, 2820, 2884, 2968, 3090, 3180, 3290, 3605, 3710, 3948, 4120, 4326, 4452, 4841, 4935, 4982, 5459, 5565, 5640, 5768, 6180, 6360, 6580, 7210, 7420, 7473, 7896, 8652, 8904, 9682, 9870, 9964, 10815, 10918, 11130, 12360, 12455, 13160, 14420, 14523, 14840, 14946, 16377, 17304, 17437, 19364, 19740, 19928, 21630, 21836, 22260, 24205, 24910, 27295, 28840, 29046, 29892, 32754, 33887, 34874, 37365, 38213, 38728, 39480, 43260, 43672, 44520, 48410, 49820, 52311, 54590, 58092, 59784, 65508, 67774, 69748, 72615, 74730, 76426, 81885, 86520, 87185, 96820, 99640, 101661, 104622, 109180, 114639, 116184, 131016, 135548, 139496, 145230, 149460, 152852, 163770, 169435, 174370, 191065, 193640, 203322, 209244, 218360, 229278, 256573, 261555, 271096, 290460, 298920, 305704, 327540, 338870, 348740, 382130, 406644, 418488, 458556, 508305, 513146, 523110, 573195, 580920, 655080, 677740, 697480, 764260, 769719, 813288, 917112, 1016610, 1026292, 1046220, 1146390, 1282865, 1355480, 1528520, 1539438, 1796011, 2033220, 2052584, 2092440, 2292780, 2565730, 3078876, 3592022, 3848595, 4066440, 4585560, 5131460, 5388033, 6157752, 7184044, 7697190, 8980055, 10262920, 10776066, 14368088, 15394380, 17960110, 21552132, 26940165, 30788760, 35920220, 43104264, 53880330, 71840440, 107760660, 215521320]

約数ペア:

[(1, 215521320), (2, 107760660), (3, 71840440), (4, 53880330), (5, 43104264), (6, 35920220), (7, 30788760), (8, 26940165), (10, 21552132), (12, 17960110), (14, 15394380), (15, 14368088), (20, 10776066), (21, 10262920), (24, 8980055), (28, 7697190), (30, 7184044), (35, 6157752), (40, 5388033), (42, 5131460), (47, 4585560), (53, 4066440), (56, 3848595), (60, 3592022), (70, 3078876), (84, 2565730), (94, 2292780), (103, 2092440), (105, 2052584), (106, 2033220), (120, 1796011), (140, 1539438), (141, 1528520), (159, 1355480), (168, 1282865), (188, 1146390), (206, 1046220), (210, 1026292), (212, 1016610), (235, 917112), (265, 813288), (280, 769719), (282, 764260), (309, 697480), (318, 677740), (329, 655080), (371, 580920), (376, 573195), (412, 523110), (420, 513146), (424, 508305), (470, 458556), (515, 418488), (530, 406644), (564, 382130), (618, 348740), (636, 338870), (658, 327540), (705, 305704), (721, 298920), (742, 290460), (795, 271096), (824, 261555), (840, 256573), (940, 229278), (987, 218360), (1030, 209244), (1060, 203322), (1113, 193640), (1128, 191065), (1236, 174370), (1272, 169435), (1316, 163770), (1410, 152852), (1442, 149460), (1484, 145230), (1545, 139496), (1590, 135548), (1645, 131016), (1855, 116184), (1880, 114639), (1974, 109180), (2060, 104622), (2120, 101661), (2163, 99640), (2226, 96820), (2472, 87185), (2491, 86520), (2632, 81885), (2820, 76426), (2884, 74730), (2968, 72615), (3090, 69748), (3180, 67774), (3290, 65508), (3605, 59784), (3710, 58092), (3948, 54590), (4120, 52311), (4326, 49820), (4452, 48410), (4841, 44520), (4935, 43672), (4982, 43260), (5459, 39480), (5565, 38728), (5640, 38213), (5768, 37365), (6180, 34874), (6360, 33887), (6580, 32754), (7210, 29892), (7420, 29046), (7473, 28840), (7896, 27295), (8652, 24910), (8904, 24205), (9682, 22260), (9870, 21836), (9964, 21630), (10815, 19928), (10918, 19740), (11130, 19364), (12360, 17437), (12455, 17304), (13160, 16377), (14420, 14946), (14523, 14840)]