261884160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:333

約数の個数: 216

約数和(自身を含む): 918328320

約数和(自身を除く): 656444160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 179, 180, 192, 240, 254, 256, 288, 320, 358, 360, 381, 384, 480, 508, 537, 576, 635, 640, 716, 720, 762, 768, 895, 960, 1016, 1074, 1143, 1152, 1270, 1280, 1432, 1440, 1524, 1611, 1790, 1905, 1920, 2032, 2148, 2286, 2304, 2540, 2685, 2864, 2880, 3048, 3222, 3580, 3810, 3840, 4064, 4296, 4572, 5080, 5370, 5715, 5728, 5760, 6096, 6444, 7160, 7620, 8055, 8128, 8592, 9144, 10160, 10740, 11430, 11456, 11520, 12192, 12888, 14320, 15240, 16110, 16256, 17184, 18288, 20320, 21480, 22733, 22860, 22912, 24384, 25776, 28640, 30480, 32220, 32512, 34368, 36576, 40640, 42960, 45466, 45720, 45824, 48768, 51552, 57280, 60960, 64440, 68199, 68736, 73152, 81280, 85920, 90932, 91440, 97536, 103104, 113665, 114560, 121920, 128880, 136398, 137472, 146304, 162560, 171840, 181864, 182880, 204597, 206208, 227330, 229120, 243840, 257760, 272796, 292608, 340995, 343680, 363728, 365760, 409194, 412416, 454660, 487680, 515520, 545592, 681990, 687360, 727456, 731520, 818388, 909320, 1022985, 1031040, 1091184, 1363980, 1454912, 1463040, 1636776, 1818640, 2045970, 2062080, 2182368, 2727960, 2909824, 3273552, 3637280, 4091940, 4364736, 5455920, 5819648, 6547104, 7274560, 8183880, 8729472, 10911840, 13094208, 14549120, 16367760, 17458944, 21823680, 26188416, 29098240, 32735520, 43647360, 52376832, 65471040, 87294720, 130942080, 261884160]

約数ペア:

[(1, 261884160), (2, 130942080), (3, 87294720), (4, 65471040), (5, 52376832), (6, 43647360), (8, 32735520), (9, 29098240), (10, 26188416), (12, 21823680), (15, 17458944), (16, 16367760), (18, 14549120), (20, 13094208), (24, 10911840), (30, 8729472), (32, 8183880), (36, 7274560), (40, 6547104), (45, 5819648), (48, 5455920), (60, 4364736), (64, 4091940), (72, 3637280), (80, 3273552), (90, 2909824), (96, 2727960), (120, 2182368), (127, 2062080), (128, 2045970), (144, 1818640), (160, 1636776), (179, 1463040), (180, 1454912), (192, 1363980), (240, 1091184), (254, 1031040), (256, 1022985), (288, 909320), (320, 818388), (358, 731520), (360, 727456), (381, 687360), (384, 681990), (480, 545592), (508, 515520), (537, 487680), (576, 454660), (635, 412416), (640, 409194), (716, 365760), (720, 363728), (762, 343680), (768, 340995), (895, 292608), (960, 272796), (1016, 257760), (1074, 243840), (1143, 229120), (1152, 227330), (1270, 206208), (1280, 204597), (1432, 182880), (1440, 181864), (1524, 171840), (1611, 162560), (1790, 146304), (1905, 137472), (1920, 136398), (2032, 128880), (2148, 121920), (2286, 114560), (2304, 113665), (2540, 103104), (2685, 97536), (2864, 91440), (2880, 90932), (3048, 85920), (3222, 81280), (3580, 73152), (3810, 68736), (3840, 68199), (4064, 64440), (4296, 60960), (4572, 57280), (5080, 51552), (5370, 48768), (5715, 45824), (5728, 45720), (5760, 45466), (6096, 42960), (6444, 40640), (7160, 36576), (7620, 34368), (8055, 32512), (8128, 32220), (8592, 30480), (9144, 28640), (10160, 25776), (10740, 24384), (11430, 22912), (11456, 22860), (11520, 22733), (12192, 21480), (12888, 20320), (14320, 18288), (15240, 17184), (16110, 16256)]