216879880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 629389440

約数和(自身を除く): 412509560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 49, 56, 68, 70, 85, 92, 98, 115, 119, 136, 140, 161, 170, 184, 196, 230, 238, 245, 280, 283, 322, 340, 391, 392, 460, 476, 490, 566, 595, 644, 680, 782, 805, 833, 920, 952, 980, 1127, 1132, 1190, 1288, 1415, 1564, 1610, 1666, 1955, 1960, 1981, 2254, 2264, 2380, 2737, 2830, 3128, 3220, 3332, 3910, 3962, 4165, 4508, 4760, 4811, 5474, 5635, 5660, 6440, 6509, 6664, 7820, 7924, 8330, 9016, 9622, 9905, 10948, 11270, 11320, 13018, 13685, 13867, 15640, 15848, 16660, 19159, 19244, 19810, 21896, 22540, 24055, 26036, 27370, 27734, 32545, 33320, 33677, 38318, 38488, 39620, 45080, 45563, 48110, 52072, 54740, 55468, 65090, 67354, 69335, 76636, 79240, 91126, 95795, 96220, 109480, 110653, 110936, 130180, 134708, 138670, 153272, 168385, 182252, 191590, 192440, 221306, 227815, 235739, 260360, 269416, 277340, 318941, 336770, 364504, 383180, 442612, 455630, 471478, 553265, 554680, 637882, 673540, 766360, 774571, 885224, 911260, 942956, 1106530, 1178695, 1275764, 1347080, 1549142, 1594705, 1822520, 1885912, 2213060, 2357390, 2551528, 3098284, 3189410, 3872855, 4426120, 4714780, 5421997, 6196568, 6378820, 7745710, 9429560, 10843994, 12757640, 15491420, 21687988, 27109985, 30982840, 43375976, 54219970, 108439940, 216879880]

約数ペア:

[(1, 216879880), (2, 108439940), (4, 54219970), (5, 43375976), (7, 30982840), (8, 27109985), (10, 21687988), (14, 15491420), (17, 12757640), (20, 10843994), (23, 9429560), (28, 7745710), (34, 6378820), (35, 6196568), (40, 5421997), (46, 4714780), (49, 4426120), (56, 3872855), (68, 3189410), (70, 3098284), (85, 2551528), (92, 2357390), (98, 2213060), (115, 1885912), (119, 1822520), (136, 1594705), (140, 1549142), (161, 1347080), (170, 1275764), (184, 1178695), (196, 1106530), (230, 942956), (238, 911260), (245, 885224), (280, 774571), (283, 766360), (322, 673540), (340, 637882), (391, 554680), (392, 553265), (460, 471478), (476, 455630), (490, 442612), (566, 383180), (595, 364504), (644, 336770), (680, 318941), (782, 277340), (805, 269416), (833, 260360), (920, 235739), (952, 227815), (980, 221306), (1127, 192440), (1132, 191590), (1190, 182252), (1288, 168385), (1415, 153272), (1564, 138670), (1610, 134708), (1666, 130180), (1955, 110936), (1960, 110653), (1981, 109480), (2254, 96220), (2264, 95795), (2380, 91126), (2737, 79240), (2830, 76636), (3128, 69335), (3220, 67354), (3332, 65090), (3910, 55468), (3962, 54740), (4165, 52072), (4508, 48110), (4760, 45563), (4811, 45080), (5474, 39620), (5635, 38488), (5660, 38318), (6440, 33677), (6509, 33320), (6664, 32545), (7820, 27734), (7924, 27370), (8330, 26036), (9016, 24055), (9622, 22540), (9905, 21896), (10948, 19810), (11270, 19244), (11320, 19159), (13018, 16660), (13685, 15848), (13867, 15640)]