18385920

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 352

約数和(自身を含む): 78604800

約数和(自身を除く): 60218880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 252, 256, 266, 270, 280, 285, 288, 304, 315, 320, 336, 342, 360, 378, 380, 384, 399, 420, 432, 448, 456, 480, 504, 512, 513, 532, 540, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 756, 760, 768, 798, 840, 855, 864, 896, 912, 945, 960, 1008, 1024, 1026, 1064, 1080, 1120, 1140, 1152, 1197, 1216, 1260, 1280, 1330, 1344, 1368, 1440, 1512, 1520, 1536, 1596, 1680, 1710, 1728, 1792, 1824, 1890, 1920, 1995, 2016, 2052, 2128, 2160, 2240, 2280, 2304, 2394, 2432, 2520, 2560, 2565, 2660, 2688, 2736, 2880, 3024, 3040, 3072, 3192, 3360, 3420, 3456, 3584, 3591, 3648, 3780, 3840, 3990, 4032, 4104, 4256, 4320, 4480, 4560, 4608, 4788, 4864, 5040, 5120, 5130, 5320, 5376, 5472, 5760, 5985, 6048, 6080, 6384, 6720, 6840, 6912, 7168, 7182, 7296, 7560, 7680, 7980, 8064, 8208, 8512, 8640, 8960, 9120, 9216, 9576, 9728, 10080, 10260, 10640, 10752, 10944, 11520, 11970, 12096, 12160, 12768, 13440, 13680, 13824, 14364, 14592, 15120, 15360, 15960, 16128, 16416, 17024, 17280, 17920, 17955, 18240, 19152, 19456, 20160, 20520, 21280, 21504, 21888, 23040, 23940, 24192, 24320, 25536, 26880, 27360, 27648, 28728, 29184, 30240, 31920, 32256, 32832, 34048, 34560, 35840, 35910, 36480, 38304, 40320, 41040, 42560, 43776, 46080, 47880, 48384, 48640, 51072, 53760, 54720, 57456, 58368, 60480, 63840, 64512, 65664, 68096, 69120, 71820, 72960, 76608, 80640, 82080, 85120, 87552, 95760, 96768, 97280, 102144, 107520, 109440, 114912, 120960, 127680, 131328, 136192, 138240, 143640, 145920, 153216, 161280, 164160, 170240, 175104, 191520, 193536, 204288, 218880, 229824, 241920, 255360, 262656, 287280, 291840, 306432, 322560, 328320, 340480, 383040, 408576, 437760, 459648, 483840, 510720, 525312, 574560, 612864, 656640, 680960, 766080, 875520, 919296, 967680, 1021440, 1149120, 1225728, 1313280, 1532160, 1838592, 2042880, 2298240, 2626560, 3064320, 3677184, 4596480, 6128640, 9192960, 18385920]

約数ペア:

[(1, 18385920), (2, 9192960), (3, 6128640), (4, 4596480), (5, 3677184), (6, 3064320), (7, 2626560), (8, 2298240), (9, 2042880), (10, 1838592), (12, 1532160), (14, 1313280), (15, 1225728), (16, 1149120), (18, 1021440), (19, 967680), (20, 919296), (21, 875520), (24, 766080), (27, 680960), (28, 656640), (30, 612864), (32, 574560), (35, 525312), (36, 510720), (38, 483840), (40, 459648), (42, 437760), (45, 408576), (48, 383040), (54, 340480), (56, 328320), (57, 322560), (60, 306432), (63, 291840), (64, 287280), (70, 262656), (72, 255360), (76, 241920), (80, 229824), (84, 218880), (90, 204288), (95, 193536), (96, 191520), (105, 175104), (108, 170240), (112, 164160), (114, 161280), (120, 153216), (126, 145920), (128, 143640), (133, 138240), (135, 136192), (140, 131328), (144, 127680), (152, 120960), (160, 114912), (168, 109440), (171, 107520), (180, 102144), (189, 97280), (190, 96768), (192, 95760), (210, 87552), (216, 85120), (224, 82080), (228, 80640), (240, 76608), (252, 72960), (256, 71820), (266, 69120), (270, 68096), (280, 65664), (285, 64512), (288, 63840), (304, 60480), (315, 58368), (320, 57456), (336, 54720), (342, 53760), (360, 51072), (378, 48640), (380, 48384), (384, 47880), (399, 46080), (420, 43776), (432, 42560), (448, 41040), (456, 40320), (480, 38304), (504, 36480), (512, 35910), (513, 35840), (532, 34560), (540, 34048), (560, 32832), (570, 32256), (576, 31920), (608, 30240), (630, 29184), (640, 28728), (665, 27648), (672, 27360), (684, 26880), (720, 25536), (756, 24320), (760, 24192), (768, 23940), (798, 23040), (840, 21888), (855, 21504), (864, 21280), (896, 20520), (912, 20160), (945, 19456), (960, 19152), (1008, 18240), (1024, 17955), (1026, 17920), (1064, 17280), (1080, 17024), (1120, 16416), (1140, 16128), (1152, 15960), (1197, 15360), (1216, 15120), (1260, 14592), (1280, 14364), (1330, 13824), (1344, 13680), (1368, 13440), (1440, 12768), (1512, 12160), (1520, 12096), (1536, 11970), (1596, 11520), (1680, 10944), (1710, 10752), (1728, 10640), (1792, 10260), (1824, 10080), (1890, 9728), (1920, 9576), (1995, 9216), (2016, 9120), (2052, 8960), (2128, 8640), (2160, 8512), (2240, 8208), (2280, 8064), (2304, 7980), (2394, 7680), (2432, 7560), (2520, 7296), (2560, 7182), (2565, 7168), (2660, 6912), (2688, 6840), (2736, 6720), (2880, 6384), (3024, 6080), (3040, 6048), (3072, 5985), (3192, 5760), (3360, 5472), (3420, 5376), (3456, 5320), (3584, 5130), (3591, 5120), (3648, 5040), (3780, 4864), (3840, 4788), (3990, 4608), (4032, 4560), (4104, 4480), (4256, 4320)]