491486520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 256

約数和(自身を含む): 1758412800

約数和(自身を除く): 1266926280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 59, 60, 70, 84, 94, 105, 118, 120, 140, 141, 168, 177, 188, 210, 211, 235, 236, 280, 282, 295, 329, 354, 376, 413, 420, 422, 470, 472, 564, 590, 633, 658, 705, 708, 826, 840, 844, 885, 940, 987, 1055, 1128, 1180, 1239, 1266, 1316, 1410, 1416, 1477, 1645, 1652, 1688, 1770, 1880, 1974, 2065, 2110, 2360, 2478, 2532, 2632, 2773, 2820, 2954, 3165, 3290, 3304, 3540, 3948, 4130, 4220, 4431, 4935, 4956, 5064, 5546, 5640, 5908, 6195, 6330, 6580, 7080, 7385, 7896, 8260, 8319, 8440, 8862, 9870, 9912, 9917, 11092, 11816, 12390, 12449, 12660, 13160, 13865, 14770, 16520, 16638, 17724, 19411, 19740, 19834, 22155, 22184, 24780, 24898, 25320, 27730, 29540, 29751, 33276, 35448, 37347, 38822, 39480, 39668, 41595, 44310, 49560, 49585, 49796, 55460, 58233, 59080, 59502, 62245, 66552, 69419, 74694, 77644, 79336, 83190, 87143, 88620, 97055, 99170, 99592, 110920, 116466, 119004, 124490, 138838, 148755, 149388, 155288, 166380, 174286, 177240, 186735, 194110, 198340, 208257, 232932, 238008, 248980, 261429, 277676, 291165, 297510, 298776, 332760, 347095, 348572, 373470, 388220, 396680, 416514, 435715, 465864, 497960, 522858, 555352, 582330, 585103, 595020, 694190, 697144, 746940, 776440, 833028, 871430, 1041285, 1045716, 1164660, 1170206, 1190040, 1307145, 1388380, 1493880, 1666056, 1742860, 1755309, 2082570, 2091432, 2329320, 2340412, 2614290, 2776760, 2925515, 3485720, 3510618, 4095721, 4165140, 4680824, 5228580, 5851030, 7021236, 8191442, 8330280, 8776545, 10457160, 11702060, 12287163, 14042472, 16382884, 17553090, 20478605, 23404120, 24574326, 32765768, 35106180, 40957210, 49148652, 61435815, 70212360, 81914420, 98297304, 122871630, 163828840, 245743260, 491486520]

約数ペア:

[(1, 491486520), (2, 245743260), (3, 163828840), (4, 122871630), (5, 98297304), (6, 81914420), (7, 70212360), (8, 61435815), (10, 49148652), (12, 40957210), (14, 35106180), (15, 32765768), (20, 24574326), (21, 23404120), (24, 20478605), (28, 17553090), (30, 16382884), (35, 14042472), (40, 12287163), (42, 11702060), (47, 10457160), (56, 8776545), (59, 8330280), (60, 8191442), (70, 7021236), (84, 5851030), (94, 5228580), (105, 4680824), (118, 4165140), (120, 4095721), (140, 3510618), (141, 3485720), (168, 2925515), (177, 2776760), (188, 2614290), (210, 2340412), (211, 2329320), (235, 2091432), (236, 2082570), (280, 1755309), (282, 1742860), (295, 1666056), (329, 1493880), (354, 1388380), (376, 1307145), (413, 1190040), (420, 1170206), (422, 1164660), (470, 1045716), (472, 1041285), (564, 871430), (590, 833028), (633, 776440), (658, 746940), (705, 697144), (708, 694190), (826, 595020), (840, 585103), (844, 582330), (885, 555352), (940, 522858), (987, 497960), (1055, 465864), (1128, 435715), (1180, 416514), (1239, 396680), (1266, 388220), (1316, 373470), (1410, 348572), (1416, 347095), (1477, 332760), (1645, 298776), (1652, 297510), (1688, 291165), (1770, 277676), (1880, 261429), (1974, 248980), (2065, 238008), (2110, 232932), (2360, 208257), (2478, 198340), (2532, 194110), (2632, 186735), (2773, 177240), (2820, 174286), (2954, 166380), (3165, 155288), (3290, 149388), (3304, 148755), (3540, 138838), (3948, 124490), (4130, 119004), (4220, 116466), (4431, 110920), (4935, 99592), (4956, 99170), (5064, 97055), (5546, 88620), (5640, 87143), (5908, 83190), (6195, 79336), (6330, 77644), (6580, 74694), (7080, 69419), (7385, 66552), (7896, 62245), (8260, 59502), (8319, 59080), (8440, 58233), (8862, 55460), (9870, 49796), (9912, 49585), (9917, 49560), (11092, 44310), (11816, 41595), (12390, 39668), (12449, 39480), (12660, 38822), (13160, 37347), (13865, 35448), (14770, 33276), (16520, 29751), (16638, 29540), (17724, 27730), (19411, 25320), (19740, 24898), (19834, 24780), (22155, 22184)]