120792280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1109}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 311688000

約数和(自身を除く): 190895720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 1109, 1556, 1945, 2218, 2723, 3112, 3890, 4436, 5446, 5545, 7763, 7780, 8872, 10892, 11090, 13615, 15526, 15560, 21784, 22180, 27230, 31052, 38815, 44360, 54460, 62104, 77630, 108920, 155260, 310520, 431401, 862802, 1725604, 2157005, 3019807, 3451208, 4314010, 6039614, 8628020, 12079228, 15099035, 17256040, 24158456, 30198070, 60396140, 120792280]

約数ペア:

[(1, 120792280), (2, 60396140), (4, 30198070), (5, 24158456), (7, 17256040), (8, 15099035), (10, 12079228), (14, 8628020), (20, 6039614), (28, 4314010), (35, 3451208), (40, 3019807), (56, 2157005), (70, 1725604), (140, 862802), (280, 431401), (389, 310520), (778, 155260), (1109, 108920), (1556, 77630), (1945, 62104), (2218, 54460), (2723, 44360), (3112, 38815), (3890, 31052), (4436, 27230), (5446, 22180), (5545, 21784), (7763, 15560), (7780, 15526), (8872, 13615), (10892, 11090)]