87811160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 125078440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2687, 3268, 4085, 5374, 6536, 8170, 10748, 13435, 16340, 21496, 26870, 32680, 51053, 53740, 102106, 107480, 115541, 204212, 231082, 255265, 408424, 462164, 510530, 577705, 924328, 1021060, 1155410, 2042120, 2195279, 2310820, 4390558, 4621640, 8781116, 10976395, 17562232, 21952790, 43905580, 87811160]

約数ペア:

[(1, 87811160), (2, 43905580), (4, 21952790), (5, 17562232), (8, 10976395), (10, 8781116), (19, 4621640), (20, 4390558), (38, 2310820), (40, 2195279), (43, 2042120), (76, 1155410), (86, 1021060), (95, 924328), (152, 577705), (172, 510530), (190, 462164), (215, 408424), (344, 255265), (380, 231082), (430, 204212), (760, 115541), (817, 107480), (860, 102106), (1634, 53740), (1720, 51053), (2687, 32680), (3268, 26870), (4085, 21496), (5374, 16340), (6536, 13435), (8170, 10748)]