20777400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 85307040

約数和(自身を除く): 64529640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 25, 28, 30, 34, 35, 36, 40, 42, 45, 50, 51, 56, 60, 63, 68, 70, 72, 75, 84, 85, 90, 97, 100, 102, 105, 119, 120, 126, 136, 140, 150, 153, 168, 170, 175, 180, 194, 200, 204, 210, 225, 238, 252, 255, 280, 291, 300, 306, 315, 340, 350, 357, 360, 388, 408, 420, 425, 450, 476, 485, 504, 510, 525, 582, 595, 600, 612, 630, 679, 680, 700, 714, 765, 776, 840, 850, 873, 900, 952, 970, 1020, 1050, 1071, 1164, 1190, 1224, 1260, 1275, 1358, 1400, 1428, 1455, 1530, 1575, 1649, 1700, 1746, 1785, 1800, 1940, 2037, 2040, 2100, 2142, 2328, 2380, 2425, 2520, 2550, 2716, 2856, 2910, 2975, 3060, 3150, 3298, 3395, 3400, 3492, 3570, 3825, 3880, 4074, 4200, 4284, 4365, 4760, 4850, 4947, 5100, 5355, 5432, 5820, 5950, 6111, 6120, 6300, 6596, 6790, 6984, 7140, 7275, 7650, 8148, 8245, 8568, 8730, 8925, 9700, 9894, 10185, 10200, 10710, 11543, 11640, 11900, 12222, 12600, 13192, 13580, 14280, 14550, 14841, 15300, 16296, 16490, 16975, 17460, 17850, 19400, 19788, 20370, 21420, 21825, 23086, 23800, 24444, 24735, 26775, 27160, 29100, 29682, 30555, 30600, 32980, 33950, 34629, 34920, 35700, 39576, 40740, 41225, 42840, 43650, 46172, 48888, 49470, 50925, 53550, 57715, 58200, 59364, 61110, 65960, 67900, 69258, 71400, 74205, 81480, 82450, 87300, 92344, 98940, 101850, 103887, 107100, 115430, 118728, 122220, 123675, 135800, 138516, 148410, 152775, 164900, 173145, 174600, 197880, 203700, 207774, 214200, 230860, 244440, 247350, 277032, 288575, 296820, 305550, 329800, 346290, 371025, 407400, 415548, 461720, 494700, 519435, 577150, 593640, 611100, 692580, 742050, 831096, 865725, 989400, 1038870, 1154300, 1222200, 1385160, 1484100, 1731450, 2077740, 2308600, 2597175, 2968200, 3462900, 4155480, 5194350, 6925800, 10388700, 20777400]

約数ペア:

[(1, 20777400), (2, 10388700), (3, 6925800), (4, 5194350), (5, 4155480), (6, 3462900), (7, 2968200), (8, 2597175), (9, 2308600), (10, 2077740), (12, 1731450), (14, 1484100), (15, 1385160), (17, 1222200), (18, 1154300), (20, 1038870), (21, 989400), (24, 865725), (25, 831096), (28, 742050), (30, 692580), (34, 611100), (35, 593640), (36, 577150), (40, 519435), (42, 494700), (45, 461720), (50, 415548), (51, 407400), (56, 371025), (60, 346290), (63, 329800), (68, 305550), (70, 296820), (72, 288575), (75, 277032), (84, 247350), (85, 244440), (90, 230860), (97, 214200), (100, 207774), (102, 203700), (105, 197880), (119, 174600), (120, 173145), (126, 164900), (136, 152775), (140, 148410), (150, 138516), (153, 135800), (168, 123675), (170, 122220), (175, 118728), (180, 115430), (194, 107100), (200, 103887), (204, 101850), (210, 98940), (225, 92344), (238, 87300), (252, 82450), (255, 81480), (280, 74205), (291, 71400), (300, 69258), (306, 67900), (315, 65960), (340, 61110), (350, 59364), (357, 58200), (360, 57715), (388, 53550), (408, 50925), (420, 49470), (425, 48888), (450, 46172), (476, 43650), (485, 42840), (504, 41225), (510, 40740), (525, 39576), (582, 35700), (595, 34920), (600, 34629), (612, 33950), (630, 32980), (679, 30600), (680, 30555), (700, 29682), (714, 29100), (765, 27160), (776, 26775), (840, 24735), (850, 24444), (873, 23800), (900, 23086), (952, 21825), (970, 21420), (1020, 20370), (1050, 19788), (1071, 19400), (1164, 17850), (1190, 17460), (1224, 16975), (1260, 16490), (1275, 16296), (1358, 15300), (1400, 14841), (1428, 14550), (1455, 14280), (1530, 13580), (1575, 13192), (1649, 12600), (1700, 12222), (1746, 11900), (1785, 11640), (1800, 11543), (1940, 10710), (2037, 10200), (2040, 10185), (2100, 9894), (2142, 9700), (2328, 8925), (2380, 8730), (2425, 8568), (2520, 8245), (2550, 8148), (2716, 7650), (2856, 7275), (2910, 7140), (2975, 6984), (3060, 6790), (3150, 6596), (3298, 6300), (3395, 6120), (3400, 6111), (3492, 5950), (3570, 5820), (3825, 5432), (3880, 5355), (4074, 5100), (4200, 4947), (4284, 4850), (4365, 4760)]