81894400

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 132

約数和(自身を含む): 232506448

約数和(自身を除く): 150612048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 457, 512, 560, 640, 700, 800, 896, 914, 1024, 1120, 1280, 1400, 1600, 1792, 1828, 2240, 2285, 2560, 2800, 3199, 3200, 3584, 3656, 4480, 4570, 5120, 5600, 6398, 6400, 7168, 7312, 8960, 9140, 11200, 11425, 12796, 12800, 14624, 15995, 17920, 18280, 22400, 22850, 25592, 25600, 29248, 31990, 35840, 36560, 44800, 45700, 51184, 58496, 63980, 73120, 79975, 89600, 91400, 102368, 116992, 127960, 146240, 159950, 179200, 182800, 204736, 233984, 255920, 292480, 319900, 365600, 409472, 467968, 511840, 584960, 639800, 731200, 818944, 1023680, 1169920, 1279600, 1462400, 1637888, 2047360, 2339840, 2559200, 2924800, 3275776, 4094720, 5118400, 5849600, 8189440, 10236800, 11699200, 16378880, 20473600, 40947200, 81894400]

約数ペア:

[(1, 81894400), (2, 40947200), (4, 20473600), (5, 16378880), (7, 11699200), (8, 10236800), (10, 8189440), (14, 5849600), (16, 5118400), (20, 4094720), (25, 3275776), (28, 2924800), (32, 2559200), (35, 2339840), (40, 2047360), (50, 1637888), (56, 1462400), (64, 1279600), (70, 1169920), (80, 1023680), (100, 818944), (112, 731200), (128, 639800), (140, 584960), (160, 511840), (175, 467968), (200, 409472), (224, 365600), (256, 319900), (280, 292480), (320, 255920), (350, 233984), (400, 204736), (448, 182800), (457, 179200), (512, 159950), (560, 146240), (640, 127960), (700, 116992), (800, 102368), (896, 91400), (914, 89600), (1024, 79975), (1120, 73120), (1280, 63980), (1400, 58496), (1600, 51184), (1792, 45700), (1828, 44800), (2240, 36560), (2285, 35840), (2560, 31990), (2800, 29248), (3199, 25600), (3200, 25592), (3584, 22850), (3656, 22400), (4480, 18280), (4570, 17920), (5120, 15995), (5600, 14624), (6398, 12800), (6400, 12796), (7168, 11425), (7312, 11200), (8960, 9140)]