221208960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 818611200

約数和(自身を除く): 597402240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 109, 112, 120, 128, 140, 151, 160, 168, 192, 210, 218, 224, 240, 280, 302, 320, 327, 336, 384, 420, 436, 448, 453, 480, 545, 560, 604, 640, 654, 672, 755, 763, 840, 872, 896, 906, 960, 1057, 1090, 1120, 1208, 1308, 1344, 1510, 1526, 1635, 1680, 1744, 1812, 1920, 2114, 2180, 2240, 2265, 2289, 2416, 2616, 2688, 3020, 3052, 3171, 3270, 3360, 3488, 3624, 3815, 4228, 4360, 4480, 4530, 4578, 4832, 5232, 5285, 6040, 6104, 6342, 6540, 6720, 6976, 7248, 7630, 8456, 8720, 9060, 9156, 9664, 10464, 10570, 11445, 12080, 12208, 12684, 13080, 13440, 13952, 14496, 15260, 15855, 16459, 16912, 17440, 18120, 18312, 19328, 20928, 21140, 22890, 24160, 24416, 25368, 26160, 28992, 30520, 31710, 32918, 33824, 34880, 36240, 36624, 41856, 42280, 45780, 48320, 48832, 49377, 50736, 52320, 57984, 61040, 63420, 65836, 67648, 69760, 72480, 73248, 82295, 84560, 91560, 96640, 97664, 98754, 101472, 104640, 115213, 122080, 126840, 131672, 135296, 144960, 146496, 164590, 169120, 183120, 197508, 202944, 209280, 230426, 244160, 246885, 253680, 263344, 289920, 292992, 329180, 338240, 345639, 366240, 395016, 405888, 460852, 488320, 493770, 507360, 526688, 576065, 658360, 676480, 691278, 732480, 790032, 921704, 987540, 1014720, 1053376, 1152130, 1316720, 1382556, 1464960, 1580064, 1728195, 1843408, 1975080, 2029440, 2106752, 2304260, 2633440, 2765112, 3160128, 3456390, 3686816, 3950160, 4608520, 5266880, 5530224, 6320256, 6912780, 7373632, 7900320, 9217040, 10533760, 11060448, 13825560, 14747264, 15800640, 18434080, 22120896, 27651120, 31601280, 36868160, 44241792, 55302240, 73736320, 110604480, 221208960]

約数ペア:

[(1, 221208960), (2, 110604480), (3, 73736320), (4, 55302240), (5, 44241792), (6, 36868160), (7, 31601280), (8, 27651120), (10, 22120896), (12, 18434080), (14, 15800640), (15, 14747264), (16, 13825560), (20, 11060448), (21, 10533760), (24, 9217040), (28, 7900320), (30, 7373632), (32, 6912780), (35, 6320256), (40, 5530224), (42, 5266880), (48, 4608520), (56, 3950160), (60, 3686816), (64, 3456390), (70, 3160128), (80, 2765112), (84, 2633440), (96, 2304260), (105, 2106752), (109, 2029440), (112, 1975080), (120, 1843408), (128, 1728195), (140, 1580064), (151, 1464960), (160, 1382556), (168, 1316720), (192, 1152130), (210, 1053376), (218, 1014720), (224, 987540), (240, 921704), (280, 790032), (302, 732480), (320, 691278), (327, 676480), (336, 658360), (384, 576065), (420, 526688), (436, 507360), (448, 493770), (453, 488320), (480, 460852), (545, 405888), (560, 395016), (604, 366240), (640, 345639), (654, 338240), (672, 329180), (755, 292992), (763, 289920), (840, 263344), (872, 253680), (896, 246885), (906, 244160), (960, 230426), (1057, 209280), (1090, 202944), (1120, 197508), (1208, 183120), (1308, 169120), (1344, 164590), (1510, 146496), (1526, 144960), (1635, 135296), (1680, 131672), (1744, 126840), (1812, 122080), (1920, 115213), (2114, 104640), (2180, 101472), (2240, 98754), (2265, 97664), (2289, 96640), (2416, 91560), (2616, 84560), (2688, 82295), (3020, 73248), (3052, 72480), (3171, 69760), (3270, 67648), (3360, 65836), (3488, 63420), (3624, 61040), (3815, 57984), (4228, 52320), (4360, 50736), (4480, 49377), (4530, 48832), (4578, 48320), (4832, 45780), (5232, 42280), (5285, 41856), (6040, 36624), (6104, 36240), (6342, 34880), (6540, 33824), (6720, 32918), (6976, 31710), (7248, 30520), (7630, 28992), (8456, 26160), (8720, 25368), (9060, 24416), (9156, 24160), (9664, 22890), (10464, 21140), (10570, 20928), (11445, 19328), (12080, 18312), (12208, 18120), (12684, 17440), (13080, 16912), (13440, 16459), (13952, 15855), (14496, 15260)]