79386880

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 192238200

約数和(自身を除く): 112851320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 569, 640, 872, 1090, 1138, 1280, 1744, 2180, 2276, 2845, 3488, 4360, 4552, 5690, 6976, 8720, 9104, 11380, 13952, 17440, 18208, 22760, 27904, 34880, 36416, 45520, 62021, 69760, 72832, 91040, 124042, 139520, 145664, 182080, 248084, 310105, 364160, 496168, 620210, 728320, 992336, 1240420, 1984672, 2480840, 3969344, 4961680, 7938688, 9923360, 15877376, 19846720, 39693440, 79386880]

約数ペア:

[(1, 79386880), (2, 39693440), (4, 19846720), (5, 15877376), (8, 9923360), (10, 7938688), (16, 4961680), (20, 3969344), (32, 2480840), (40, 1984672), (64, 1240420), (80, 992336), (109, 728320), (128, 620210), (160, 496168), (218, 364160), (256, 310105), (320, 248084), (436, 182080), (545, 145664), (569, 139520), (640, 124042), (872, 91040), (1090, 72832), (1138, 69760), (1280, 62021), (1744, 45520), (2180, 36416), (2276, 34880), (2845, 27904), (3488, 22760), (4360, 18208), (4552, 17440), (5690, 13952), (6976, 11380), (8720, 9104)]