30832760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15731}}^1$

素因数の和:15756

約数の個数: 48

約数和(自身を含む): 80705160

約数和(自身を除く): 49872400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15731, 31462, 62924, 78655, 110117, 125848, 157310, 220234, 314620, 440468, 550585, 629240, 770819, 880936, 1101170, 1541638, 2202340, 3083276, 3854095, 4404680, 6166552, 7708190, 15416380, 30832760]

約数ペア:

[(1, 30832760), (2, 15416380), (4, 7708190), (5, 6166552), (7, 4404680), (8, 3854095), (10, 3083276), (14, 2202340), (20, 1541638), (28, 1101170), (35, 880936), (40, 770819), (49, 629240), (56, 550585), (70, 440468), (98, 314620), (140, 220234), (196, 157310), (245, 125848), (280, 110117), (392, 78655), (490, 62924), (980, 31462), (1960, 15731)]