123566240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15761}}^1$

素因数の和:15790

約数の個数: 72

約数和(自身を含む): 339608052

約数和(自身を除く): 216041812

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15761, 31522, 63044, 78805, 110327, 126088, 157610, 220654, 252176, 315220, 441308, 504352, 551635, 630440, 772289, 882616, 1103270, 1260880, 1544578, 1765232, 2206540, 2521760, 3089156, 3530464, 3861445, 4413080, 6178312, 7722890, 8826160, 12356624, 15445780, 17652320, 24713248, 30891560, 61783120, 123566240]

約数ペア:

[(1, 123566240), (2, 61783120), (4, 30891560), (5, 24713248), (7, 17652320), (8, 15445780), (10, 12356624), (14, 8826160), (16, 7722890), (20, 6178312), (28, 4413080), (32, 3861445), (35, 3530464), (40, 3089156), (49, 2521760), (56, 2206540), (70, 1765232), (80, 1544578), (98, 1260880), (112, 1103270), (140, 882616), (160, 772289), (196, 630440), (224, 551635), (245, 504352), (280, 441308), (392, 315220), (490, 252176), (560, 220654), (784, 157610), (980, 126088), (1120, 110327), (1568, 78805), (1960, 63044), (3920, 31522), (7840, 15761)]