391676640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 192

約数和(自身を含む): 1320157440

約数和(自身を除く): 928480800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 67, 76, 80, 95, 96, 114, 120, 134, 152, 160, 190, 201, 228, 240, 268, 285, 304, 335, 380, 402, 456, 480, 536, 570, 608, 641, 670, 760, 804, 912, 1005, 1072, 1140, 1273, 1282, 1340, 1520, 1608, 1824, 1923, 2010, 2144, 2280, 2546, 2564, 2680, 3040, 3205, 3216, 3819, 3846, 4020, 4560, 5092, 5128, 5360, 6365, 6410, 6432, 7638, 7692, 8040, 9120, 9615, 10184, 10256, 10720, 12179, 12730, 12820, 15276, 15384, 16080, 19095, 19230, 20368, 20512, 24358, 25460, 25640, 30552, 30768, 32160, 36537, 38190, 38460, 40736, 42947, 48716, 50920, 51280, 60895, 61104, 61536, 73074, 76380, 76920, 85894, 97432, 101840, 102560, 121790, 122208, 128841, 146148, 152760, 153840, 171788, 182685, 194864, 203680, 214735, 243580, 257682, 292296, 305520, 307680, 343576, 365370, 389728, 429470, 487160, 515364, 584592, 611040, 644205, 687152, 730740, 815993, 858940, 974320, 1030728, 1169184, 1288410, 1374304, 1461480, 1631986, 1717880, 1948640, 2061456, 2447979, 2576820, 2922960, 3263972, 3435760, 4079965, 4122912, 4895958, 5153640, 5845920, 6527944, 6871520, 8159930, 9791916, 10307280, 12239895, 13055888, 16319860, 19583832, 20614560, 24479790, 26111776, 32639720, 39167664, 48959580, 65279440, 78335328, 97919160, 130558880, 195838320, 391676640]

約数ペア:

[(1, 391676640), (2, 195838320), (3, 130558880), (4, 97919160), (5, 78335328), (6, 65279440), (8, 48959580), (10, 39167664), (12, 32639720), (15, 26111776), (16, 24479790), (19, 20614560), (20, 19583832), (24, 16319860), (30, 13055888), (32, 12239895), (38, 10307280), (40, 9791916), (48, 8159930), (57, 6871520), (60, 6527944), (67, 5845920), (76, 5153640), (80, 4895958), (95, 4122912), (96, 4079965), (114, 3435760), (120, 3263972), (134, 2922960), (152, 2576820), (160, 2447979), (190, 2061456), (201, 1948640), (228, 1717880), (240, 1631986), (268, 1461480), (285, 1374304), (304, 1288410), (335, 1169184), (380, 1030728), (402, 974320), (456, 858940), (480, 815993), (536, 730740), (570, 687152), (608, 644205), (641, 611040), (670, 584592), (760, 515364), (804, 487160), (912, 429470), (1005, 389728), (1072, 365370), (1140, 343576), (1273, 307680), (1282, 305520), (1340, 292296), (1520, 257682), (1608, 243580), (1824, 214735), (1923, 203680), (2010, 194864), (2144, 182685), (2280, 171788), (2546, 153840), (2564, 152760), (2680, 146148), (3040, 128841), (3205, 122208), (3216, 121790), (3819, 102560), (3846, 101840), (4020, 97432), (4560, 85894), (5092, 76920), (5128, 76380), (5360, 73074), (6365, 61536), (6410, 61104), (6432, 60895), (7638, 51280), (7692, 50920), (8040, 48716), (9120, 42947), (9615, 40736), (10184, 38460), (10256, 38190), (10720, 36537), (12179, 32160), (12730, 30768), (12820, 30552), (15276, 25640), (15384, 25460), (16080, 24358), (19095, 20512), (19230, 20368)]