81205890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{8539}}^1$

素因数の和:8866

約数の個数: 32

約数和(自身を含む): 195531840

約数和(自身を除く): 114325950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 634, 951, 1585, 1902, 3170, 4755, 8539, 9510, 17078, 25617, 42695, 51234, 85390, 128085, 256170, 2706863, 5413726, 8120589, 13534315, 16241178, 27068630, 40602945, 81205890]

約数ペア:

[(1, 81205890), (2, 40602945), (3, 27068630), (5, 16241178), (6, 13534315), (10, 8120589), (15, 5413726), (30, 2706863), (317, 256170), (634, 128085), (951, 85390), (1585, 51234), (1902, 42695), (3170, 25617), (4755, 17078), (8539, 9510)]