28494720

素因数分解:

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

素因数の和:142

約数の個数: 256

約数和(自身を含む): 107956800

約数和(自身を除く): 79462080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 97, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 194, 204, 216, 240, 255, 270, 272, 288, 291, 306, 320, 340, 360, 384, 388, 408, 432, 459, 480, 485, 510, 540, 544, 576, 582, 612, 640, 680, 720, 765, 776, 816, 864, 873, 918, 960, 970, 1020, 1080, 1088, 1152, 1164, 1224, 1360, 1440, 1455, 1530, 1552, 1632, 1649, 1728, 1746, 1836, 1920, 1940, 2040, 2160, 2176, 2295, 2328, 2448, 2619, 2720, 2880, 2910, 3060, 3104, 3264, 3298, 3456, 3492, 3672, 3880, 4080, 4320, 4365, 4590, 4656, 4896, 4947, 5238, 5440, 5760, 5820, 6120, 6208, 6528, 6596, 6984, 7344, 7760, 8160, 8245, 8640, 8730, 9180, 9312, 9792, 9894, 10476, 10880, 11640, 12240, 12416, 13095, 13192, 13968, 14688, 14841, 15520, 16320, 16490, 17280, 17460, 18360, 18624, 19584, 19788, 20952, 23280, 24480, 24735, 26190, 26384, 27936, 29376, 29682, 31040, 32640, 32980, 34920, 36720, 37248, 39576, 41904, 44523, 46560, 48960, 49470, 52380, 52768, 55872, 58752, 59364, 62080, 65960, 69840, 73440, 74205, 79152, 83808, 89046, 93120, 97920, 98940, 104760, 105536, 111744, 118728, 131920, 139680, 146880, 148410, 158304, 167616, 178092, 186240, 197880, 209520, 211072, 222615, 237456, 263840, 279360, 293760, 296820, 316608, 335232, 356184, 395760, 419040, 445230, 474912, 527680, 558720, 593640, 633216, 712368, 791520, 838080, 890460, 949824, 1055360, 1187280, 1424736, 1583040, 1676160, 1780920, 1899648, 2374560, 2849472, 3166080, 3561840, 4749120, 5698944, 7123680, 9498240, 14247360, 28494720]

約数ペア:

[(1, 28494720), (2, 14247360), (3, 9498240), (4, 7123680), (5, 5698944), (6, 4749120), (8, 3561840), (9, 3166080), (10, 2849472), (12, 2374560), (15, 1899648), (16, 1780920), (17, 1676160), (18, 1583040), (20, 1424736), (24, 1187280), (27, 1055360), (30, 949824), (32, 890460), (34, 838080), (36, 791520), (40, 712368), (45, 633216), (48, 593640), (51, 558720), (54, 527680), (60, 474912), (64, 445230), (68, 419040), (72, 395760), (80, 356184), (85, 335232), (90, 316608), (96, 296820), (97, 293760), (102, 279360), (108, 263840), (120, 237456), (128, 222615), (135, 211072), (136, 209520), (144, 197880), (153, 186240), (160, 178092), (170, 167616), (180, 158304), (192, 148410), (194, 146880), (204, 139680), (216, 131920), (240, 118728), (255, 111744), (270, 105536), (272, 104760), (288, 98940), (291, 97920), (306, 93120), (320, 89046), (340, 83808), (360, 79152), (384, 74205), (388, 73440), (408, 69840), (432, 65960), (459, 62080), (480, 59364), (485, 58752), (510, 55872), (540, 52768), (544, 52380), (576, 49470), (582, 48960), (612, 46560), (640, 44523), (680, 41904), (720, 39576), (765, 37248), (776, 36720), (816, 34920), (864, 32980), (873, 32640), (918, 31040), (960, 29682), (970, 29376), (1020, 27936), (1080, 26384), (1088, 26190), (1152, 24735), (1164, 24480), (1224, 23280), (1360, 20952), (1440, 19788), (1455, 19584), (1530, 18624), (1552, 18360), (1632, 17460), (1649, 17280), (1728, 16490), (1746, 16320), (1836, 15520), (1920, 14841), (1940, 14688), (2040, 13968), (2160, 13192), (2176, 13095), (2295, 12416), (2328, 12240), (2448, 11640), (2619, 10880), (2720, 10476), (2880, 9894), (2910, 9792), (3060, 9312), (3104, 9180), (3264, 8730), (3298, 8640), (3456, 8245), (3492, 8160), (3672, 7760), (3880, 7344), (4080, 6984), (4320, 6596), (4365, 6528), (4590, 6208), (4656, 6120), (4896, 5820), (4947, 5760), (5238, 5440)]