77376880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19739}}^1$

素因数の和:19766

約数の個数: 60

約数和(自身を含む): 209283480

約数和(自身を除く): 131906600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19739, 39478, 78956, 98695, 138173, 157912, 197390, 276346, 315824, 394780, 552692, 690865, 789560, 967211, 1105384, 1381730, 1579120, 1934422, 2210768, 2763460, 3868844, 4836055, 5526920, 7737688, 9672110, 11053840, 15475376, 19344220, 38688440, 77376880]

約数ペア:

[(1, 77376880), (2, 38688440), (4, 19344220), (5, 15475376), (7, 11053840), (8, 9672110), (10, 7737688), (14, 5526920), (16, 4836055), (20, 3868844), (28, 2763460), (35, 2210768), (40, 1934422), (49, 1579120), (56, 1381730), (70, 1105384), (80, 967211), (98, 789560), (112, 690865), (140, 552692), (196, 394780), (245, 315824), (280, 276346), (392, 197390), (490, 157912), (560, 138173), (784, 98695), (980, 78956), (1960, 39478), (3920, 19739)]