51551910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 86549850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 431, 443, 862, 886, 1293, 1329, 2155, 2215, 2586, 2658, 3879, 3987, 4310, 4430, 6465, 6645, 7758, 7974, 11637, 11961, 12930, 13290, 19395, 19935, 23274, 23922, 38790, 39870, 58185, 59805, 116370, 119610, 190933, 381866, 572799, 954665, 1145598, 1718397, 1909330, 2863995, 3436794, 5155191, 5727990, 8591985, 10310382, 17183970, 25775955, 51551910]

約数ペア:

[(1, 51551910), (2, 25775955), (3, 17183970), (5, 10310382), (6, 8591985), (9, 5727990), (10, 5155191), (15, 3436794), (18, 2863995), (27, 1909330), (30, 1718397), (45, 1145598), (54, 954665), (90, 572799), (135, 381866), (270, 190933), (431, 119610), (443, 116370), (862, 59805), (886, 58185), (1293, 39870), (1329, 38790), (2155, 23922), (2215, 23274), (2586, 19935), (2658, 19395), (3879, 13290), (3987, 12930), (4310, 11961), (4430, 11637), (6465, 7974), (6645, 7758)]