123540480

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 264

約数和(自身を含む): 490493952

約数和(自身を除く): 366953472

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, 240, 252, 256, 280, 288, 315, 320, 336, 360, 383, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 766, 768, 840, 896, 960, 1008, 1024, 1120, 1149, 1152, 1260, 1280, 1344, 1440, 1532, 1536, 1680, 1792, 1915, 1920, 2016, 2240, 2298, 2304, 2520, 2560, 2681, 2688, 2880, 3064, 3072, 3360, 3447, 3584, 3830, 3840, 4032, 4480, 4596, 4608, 5040, 5120, 5362, 5376, 5745, 5760, 6128, 6720, 6894, 7168, 7660, 7680, 8043, 8064, 8960, 9192, 9216, 10080, 10724, 10752, 11490, 11520, 12256, 13405, 13440, 13788, 15320, 15360, 16086, 16128, 17235, 17920, 18384, 20160, 21448, 21504, 22980, 23040, 24129, 24512, 26810, 26880, 27576, 30640, 32172, 32256, 34470, 35840, 36768, 40215, 40320, 42896, 45960, 46080, 48258, 49024, 53620, 53760, 55152, 61280, 64344, 64512, 68940, 73536, 80430, 80640, 85792, 91920, 96516, 98048, 107240, 107520, 110304, 120645, 122560, 128688, 137880, 147072, 160860, 161280, 171584, 183840, 193032, 196096, 214480, 220608, 241290, 245120, 257376, 275760, 294144, 321720, 322560, 343168, 367680, 386064, 392192, 428960, 441216, 482580, 490240, 514752, 551520, 588288, 643440, 686336, 735360, 772128, 857920, 882432, 965160, 980480, 1029504, 1103040, 1176576, 1286880, 1372672, 1470720, 1544256, 1715840, 1764864, 1930320, 1960960, 2059008, 2206080, 2573760, 2745344, 2941440, 3088512, 3431680, 3529728, 3860640, 4118016, 4412160, 5147520, 5882880, 6177024, 6863360, 7721280, 8236032, 8824320, 10295040, 12354048, 13726720, 15442560, 17648640, 20590080, 24708096, 30885120, 41180160, 61770240, 123540480]

約数ペア:

[(1, 123540480), (2, 61770240), (3, 41180160), (4, 30885120), (5, 24708096), (6, 20590080), (7, 17648640), (8, 15442560), (9, 13726720), (10, 12354048), (12, 10295040), (14, 8824320), (15, 8236032), (16, 7721280), (18, 6863360), (20, 6177024), (21, 5882880), (24, 5147520), (28, 4412160), (30, 4118016), (32, 3860640), (35, 3529728), (36, 3431680), (40, 3088512), (42, 2941440), (45, 2745344), (48, 2573760), (56, 2206080), (60, 2059008), (63, 1960960), (64, 1930320), (70, 1764864), (72, 1715840), (80, 1544256), (84, 1470720), (90, 1372672), (96, 1286880), (105, 1176576), (112, 1103040), (120, 1029504), (126, 980480), (128, 965160), (140, 882432), (144, 857920), (160, 772128), (168, 735360), (180, 686336), (192, 643440), (210, 588288), (224, 551520), (240, 514752), (252, 490240), (256, 482580), (280, 441216), (288, 428960), (315, 392192), (320, 386064), (336, 367680), (360, 343168), (383, 322560), (384, 321720), (420, 294144), (448, 275760), (480, 257376), (504, 245120), (512, 241290), (560, 220608), (576, 214480), (630, 196096), (640, 193032), (672, 183840), (720, 171584), (766, 161280), (768, 160860), (840, 147072), (896, 137880), (960, 128688), (1008, 122560), (1024, 120645), (1120, 110304), (1149, 107520), (1152, 107240), (1260, 98048), (1280, 96516), (1344, 91920), (1440, 85792), (1532, 80640), (1536, 80430), (1680, 73536), (1792, 68940), (1915, 64512), (1920, 64344), (2016, 61280), (2240, 55152), (2298, 53760), (2304, 53620), (2520, 49024), (2560, 48258), (2681, 46080), (2688, 45960), (2880, 42896), (3064, 40320), (3072, 40215), (3360, 36768), (3447, 35840), (3584, 34470), (3830, 32256), (3840, 32172), (4032, 30640), (4480, 27576), (4596, 26880), (4608, 26810), (5040, 24512), (5120, 24129), (5362, 23040), (5376, 22980), (5745, 21504), (5760, 21448), (6128, 20160), (6720, 18384), (6894, 17920), (7168, 17235), (7660, 16128), (7680, 16086), (8043, 15360), (8064, 15320), (8960, 13788), (9192, 13440), (9216, 13405), (10080, 12256), (10724, 11520), (10752, 11490)]