18305280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 72700992

約数和(自身を除く): 54395712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 227, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 454, 480, 504, 560, 576, 630, 640, 672, 681, 720, 768, 840, 896, 908, 960, 1008, 1120, 1135, 1152, 1260, 1280, 1344, 1362, 1440, 1589, 1680, 1792, 1816, 1920, 2016, 2043, 2240, 2270, 2304, 2520, 2688, 2724, 2880, 3178, 3360, 3405, 3632, 3840, 4032, 4086, 4480, 4540, 4767, 5040, 5376, 5448, 5760, 6356, 6720, 6810, 7264, 7945, 8064, 8172, 8960, 9080, 9534, 10080, 10215, 10896, 11520, 12712, 13440, 13620, 14301, 14528, 15890, 16128, 16344, 18160, 19068, 20160, 20430, 21792, 23835, 25424, 26880, 27240, 28602, 29056, 31780, 32688, 36320, 38136, 40320, 40860, 43584, 47670, 50848, 54480, 57204, 58112, 63560, 65376, 71505, 72640, 76272, 80640, 81720, 87168, 95340, 101696, 108960, 114408, 127120, 130752, 143010, 145280, 152544, 163440, 174336, 190680, 203392, 217920, 228816, 254240, 261504, 286020, 290560, 305088, 326880, 381360, 406784, 435840, 457632, 508480, 523008, 572040, 610176, 653760, 762720, 871680, 915264, 1016960, 1144080, 1220352, 1307520, 1525440, 1830528, 2033920, 2288160, 2615040, 3050880, 3661056, 4576320, 6101760, 9152640, 18305280]

約数ペア:

[(1, 18305280), (2, 9152640), (3, 6101760), (4, 4576320), (5, 3661056), (6, 3050880), (7, 2615040), (8, 2288160), (9, 2033920), (10, 1830528), (12, 1525440), (14, 1307520), (15, 1220352), (16, 1144080), (18, 1016960), (20, 915264), (21, 871680), (24, 762720), (28, 653760), (30, 610176), (32, 572040), (35, 523008), (36, 508480), (40, 457632), (42, 435840), (45, 406784), (48, 381360), (56, 326880), (60, 305088), (63, 290560), (64, 286020), (70, 261504), (72, 254240), (80, 228816), (84, 217920), (90, 203392), (96, 190680), (105, 174336), (112, 163440), (120, 152544), (126, 145280), (128, 143010), (140, 130752), (144, 127120), (160, 114408), (168, 108960), (180, 101696), (192, 95340), (210, 87168), (224, 81720), (227, 80640), (240, 76272), (252, 72640), (256, 71505), (280, 65376), (288, 63560), (315, 58112), (320, 57204), (336, 54480), (360, 50848), (384, 47670), (420, 43584), (448, 40860), (454, 40320), (480, 38136), (504, 36320), (560, 32688), (576, 31780), (630, 29056), (640, 28602), (672, 27240), (681, 26880), (720, 25424), (768, 23835), (840, 21792), (896, 20430), (908, 20160), (960, 19068), (1008, 18160), (1120, 16344), (1135, 16128), (1152, 15890), (1260, 14528), (1280, 14301), (1344, 13620), (1362, 13440), (1440, 12712), (1589, 11520), (1680, 10896), (1792, 10215), (1816, 10080), (1920, 9534), (2016, 9080), (2043, 8960), (2240, 8172), (2270, 8064), (2304, 7945), (2520, 7264), (2688, 6810), (2724, 6720), (2880, 6356), (3178, 5760), (3360, 5448), (3405, 5376), (3632, 5040), (3840, 4767), (4032, 4540), (4086, 4480)]