217081620

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{709}}^1$

素因数の和:746

約数の個数: 192

約数和(自身を含む): 782476800

約数和(自身を除く): 565395180

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 709, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1418, 1458, 1620, 1701, 1890, 2127, 2187, 2268, 2430, 2835, 2836, 2916, 3402, 3545, 3645, 3780, 4254, 4374, 4860, 4963, 5103, 5670, 6381, 6804, 7090, 7290, 8505, 8508, 8748, 9926, 10206, 10635, 10935, 11340, 12762, 14180, 14580, 14889, 15309, 17010, 19143, 19852, 20412, 21270, 21870, 24815, 25515, 25524, 29778, 30618, 31905, 34020, 38286, 42540, 43740, 44667, 49630, 51030, 57429, 59556, 61236, 63810, 74445, 76545, 76572, 89334, 95715, 99260, 102060, 114858, 127620, 134001, 148890, 153090, 172287, 178668, 191430, 223335, 229716, 268002, 287145, 297780, 306180, 344574, 382860, 402003, 446670, 516861, 536004, 574290, 670005, 689148, 804006, 861435, 893340, 1033722, 1148580, 1206009, 1340010, 1550583, 1608012, 1722870, 2010015, 2067444, 2412018, 2584305, 2680020, 3101166, 3445740, 3618027, 4020030, 4824036, 5168610, 6030045, 6202332, 7236054, 7752915, 8040060, 10337220, 10854081, 12060090, 14472108, 15505830, 18090135, 21708162, 24120180, 31011660, 36180270, 43416324, 54270405, 72360540, 108540810, 217081620]

約数ペア:

[(1, 217081620), (2, 108540810), (3, 72360540), (4, 54270405), (5, 43416324), (6, 36180270), (7, 31011660), (9, 24120180), (10, 21708162), (12, 18090135), (14, 15505830), (15, 14472108), (18, 12060090), (20, 10854081), (21, 10337220), (27, 8040060), (28, 7752915), (30, 7236054), (35, 6202332), (36, 6030045), (42, 5168610), (45, 4824036), (54, 4020030), (60, 3618027), (63, 3445740), (70, 3101166), (81, 2680020), (84, 2584305), (90, 2412018), (105, 2067444), (108, 2010015), (126, 1722870), (135, 1608012), (140, 1550583), (162, 1340010), (180, 1206009), (189, 1148580), (210, 1033722), (243, 893340), (252, 861435), (270, 804006), (315, 689148), (324, 670005), (378, 574290), (405, 536004), (420, 516861), (486, 446670), (540, 402003), (567, 382860), (630, 344574), (709, 306180), (729, 297780), (756, 287145), (810, 268002), (945, 229716), (972, 223335), (1134, 191430), (1215, 178668), (1260, 172287), (1418, 153090), (1458, 148890), (1620, 134001), (1701, 127620), (1890, 114858), (2127, 102060), (2187, 99260), (2268, 95715), (2430, 89334), (2835, 76572), (2836, 76545), (2916, 74445), (3402, 63810), (3545, 61236), (3645, 59556), (3780, 57429), (4254, 51030), (4374, 49630), (4860, 44667), (4963, 43740), (5103, 42540), (5670, 38286), (6381, 34020), (6804, 31905), (7090, 30618), (7290, 29778), (8505, 25524), (8508, 25515), (8748, 24815), (9926, 21870), (10206, 21270), (10635, 20412), (10935, 19852), (11340, 19143), (12762, 17010), (14180, 15309), (14580, 14889)]