15880737980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1\times {\mathrm{18149}}^1$

素因数の和:18878

約数の個数: 48

約数和(自身を含む): 33901005600

約数和(自身を除く): 18020267620

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 653, 670, 1306, 1340, 2612, 3265, 6530, 13060, 18149, 36298, 43751, 72596, 87502, 90745, 175004, 181490, 218755, 362980, 437510, 875020, 1215983, 2431966, 4863932, 6079915, 11851297, 12159830, 23702594, 24319660, 47405188, 59256485, 118512970, 237025940, 794036899, 1588073798, 3176147596, 3970184495, 7940368990, 15880737980]

約数ペア:

[(1, 15880737980), (2, 7940368990), (4, 3970184495), (5, 3176147596), (10, 1588073798), (20, 794036899), (67, 237025940), (134, 118512970), (268, 59256485), (335, 47405188), (653, 24319660), (670, 23702594), (1306, 12159830), (1340, 11851297), (2612, 6079915), (3265, 4863932), (6530, 2431966), (13060, 1215983), (18149, 875020), (36298, 437510), (43751, 362980), (72596, 218755), (87502, 181490), (90745, 175004)]