71872000

素因数分解:

$2^9\times 5^3\times {\mathrm{1123}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 179376912

約数和(自身を除く): 107504912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1123, 1280, 1600, 2000, 2246, 2560, 3200, 4000, 4492, 5615, 6400, 8000, 8984, 11230, 12800, 16000, 17968, 22460, 28075, 32000, 35936, 44920, 56150, 64000, 71872, 89840, 112300, 140375, 143744, 179680, 224600, 280750, 287488, 359360, 449200, 561500, 574976, 718720, 898400, 1123000, 1437440, 1796800, 2246000, 2874880, 3593600, 4492000, 7187200, 8984000, 14374400, 17968000, 35936000, 71872000]

約数ペア:

[(1, 71872000), (2, 35936000), (4, 17968000), (5, 14374400), (8, 8984000), (10, 7187200), (16, 4492000), (20, 3593600), (25, 2874880), (32, 2246000), (40, 1796800), (50, 1437440), (64, 1123000), (80, 898400), (100, 718720), (125, 574976), (128, 561500), (160, 449200), (200, 359360), (250, 287488), (256, 280750), (320, 224600), (400, 179680), (500, 143744), (512, 140375), (640, 112300), (800, 89840), (1000, 71872), (1123, 64000), (1280, 56150), (1600, 44920), (2000, 35936), (2246, 32000), (2560, 28075), (3200, 22460), (4000, 17968), (4492, 16000), (5615, 12800), (6400, 11230), (8000, 8984)]