78549760

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 190214640

約数和(自身を除く): 111664880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 563, 640, 872, 1090, 1126, 1280, 1744, 2180, 2252, 2815, 3488, 4360, 4504, 5630, 6976, 8720, 9008, 11260, 13952, 17440, 18016, 22520, 27904, 34880, 36032, 45040, 61367, 69760, 72064, 90080, 122734, 139520, 144128, 180160, 245468, 306835, 360320, 490936, 613670, 720640, 981872, 1227340, 1963744, 2454680, 3927488, 4909360, 7854976, 9818720, 15709952, 19637440, 39274880, 78549760]

約数ペア:

[(1, 78549760), (2, 39274880), (4, 19637440), (5, 15709952), (8, 9818720), (10, 7854976), (16, 4909360), (20, 3927488), (32, 2454680), (40, 1963744), (64, 1227340), (80, 981872), (109, 720640), (128, 613670), (160, 490936), (218, 360320), (256, 306835), (320, 245468), (436, 180160), (545, 144128), (563, 139520), (640, 122734), (872, 90080), (1090, 72064), (1126, 69760), (1280, 61367), (1744, 45040), (2180, 36032), (2252, 34880), (2815, 27904), (3488, 22520), (4360, 18016), (4504, 17440), (5630, 13952), (6976, 11260), (8720, 9008)]