428309280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{42491}}^1$

素因数の和:42519

約数の個数: 144

約数和(自身を含む): 1670445504

約数和(自身を除く): 1242136224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 42491, 84982, 127473, 169964, 212455, 254946, 297437, 339928, 382419, 424910, 509892, 594874, 637365, 679856, 764838, 849820, 892311, 1019784, 1189748, 1274730, 1359712, 1487185, 1529676, 1699640, 1784622, 1912095, 2039568, 2379496, 2549460, 2676933, 2974370, 3059352, 3399280, 3569244, 3824190, 4079136, 4461555, 4758992, 5098920, 5353866, 5948740, 6118704, 6798560, 7138488, 7648380, 8923110, 9517984, 10197840, 10707732, 11897480, 12237408, 13384665, 14276976, 15296760, 17846220, 20395680, 21415464, 23794960, 26769330, 28553952, 30593520, 35692440, 42830928, 47589920, 53538660, 61187040, 71384880, 85661856, 107077320, 142769760, 214154640, 428309280]

約数ペア:

[(1, 428309280), (2, 214154640), (3, 142769760), (4, 107077320), (5, 85661856), (6, 71384880), (7, 61187040), (8, 53538660), (9, 47589920), (10, 42830928), (12, 35692440), (14, 30593520), (15, 28553952), (16, 26769330), (18, 23794960), (20, 21415464), (21, 20395680), (24, 17846220), (28, 15296760), (30, 14276976), (32, 13384665), (35, 12237408), (36, 11897480), (40, 10707732), (42, 10197840), (45, 9517984), (48, 8923110), (56, 7648380), (60, 7138488), (63, 6798560), (70, 6118704), (72, 5948740), (80, 5353866), (84, 5098920), (90, 4758992), (96, 4461555), (105, 4079136), (112, 3824190), (120, 3569244), (126, 3399280), (140, 3059352), (144, 2974370), (160, 2676933), (168, 2549460), (180, 2379496), (210, 2039568), (224, 1912095), (240, 1784622), (252, 1699640), (280, 1529676), (288, 1487185), (315, 1359712), (336, 1274730), (360, 1189748), (420, 1019784), (480, 892311), (504, 849820), (560, 764838), (630, 679856), (672, 637365), (720, 594874), (840, 509892), (1008, 424910), (1120, 382419), (1260, 339928), (1440, 297437), (1680, 254946), (2016, 212455), (2520, 169964), (3360, 127473), (5040, 84982), (10080, 42491)]