142809880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 333273600

約数和(自身を除く): 190463720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1051, 1580, 1720, 2102, 3160, 3397, 4204, 5255, 6794, 8408, 10510, 13588, 16985, 21020, 27176, 33970, 42040, 45193, 67940, 83029, 90386, 135880, 166058, 180772, 225965, 332116, 361544, 415145, 451930, 664232, 830290, 903860, 1660580, 1807720, 3321160, 3570247, 7140494, 14280988, 17851235, 28561976, 35702470, 71404940, 142809880]

約数ペア:

[(1, 142809880), (2, 71404940), (4, 35702470), (5, 28561976), (8, 17851235), (10, 14280988), (20, 7140494), (40, 3570247), (43, 3321160), (79, 1807720), (86, 1660580), (158, 903860), (172, 830290), (215, 664232), (316, 451930), (344, 415145), (395, 361544), (430, 332116), (632, 225965), (790, 180772), (860, 166058), (1051, 135880), (1580, 90386), (1720, 83029), (2102, 67940), (3160, 45193), (3397, 42040), (4204, 33970), (5255, 27176), (6794, 21020), (8408, 16985), (10510, 13588)]