71329600

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 84

約数和(自身を含む): 177558700

約数和(自身を除く): 106229100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 160, 200, 218, 320, 400, 409, 436, 545, 800, 818, 872, 1090, 1600, 1636, 1744, 2045, 2180, 2725, 3272, 3488, 4090, 4360, 5450, 6544, 6976, 8180, 8720, 10225, 10900, 13088, 16360, 17440, 20450, 21800, 26176, 32720, 34880, 40900, 43600, 44581, 65440, 81800, 87200, 89162, 130880, 163600, 174400, 178324, 222905, 327200, 356648, 445810, 654400, 713296, 891620, 1114525, 1426592, 1783240, 2229050, 2853184, 3566480, 4458100, 7132960, 8916200, 14265920, 17832400, 35664800, 71329600]

約数ペア:

[(1, 71329600), (2, 35664800), (4, 17832400), (5, 14265920), (8, 8916200), (10, 7132960), (16, 4458100), (20, 3566480), (25, 2853184), (32, 2229050), (40, 1783240), (50, 1426592), (64, 1114525), (80, 891620), (100, 713296), (109, 654400), (160, 445810), (200, 356648), (218, 327200), (320, 222905), (400, 178324), (409, 174400), (436, 163600), (545, 130880), (800, 89162), (818, 87200), (872, 81800), (1090, 65440), (1600, 44581), (1636, 43600), (1744, 40900), (2045, 34880), (2180, 32720), (2725, 26176), (3272, 21800), (3488, 20450), (4090, 17440), (4360, 16360), (5450, 13088), (6544, 10900), (6976, 10225), (8180, 8720)]