81016740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21433}}^1$

素因数の和:21458

約数の個数: 96

約数和(自身を含む): 288072960

約数和(自身を除く): 207056220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21433, 42866, 64299, 85732, 107165, 128598, 150031, 192897, 214330, 257196, 300062, 321495, 385794, 428660, 450093, 578691, 600124, 642990, 750155, 771588, 900186, 964485, 1157382, 1285980, 1350279, 1500310, 1800372, 1928970, 2250465, 2314764, 2700558, 2893455, 3000620, 3857940, 4050837, 4500930, 5401116, 5786910, 6751395, 8101674, 9001860, 11573820, 13502790, 16203348, 20254185, 27005580, 40508370, 81016740]

約数ペア:

[(1, 81016740), (2, 40508370), (3, 27005580), (4, 20254185), (5, 16203348), (6, 13502790), (7, 11573820), (9, 9001860), (10, 8101674), (12, 6751395), (14, 5786910), (15, 5401116), (18, 4500930), (20, 4050837), (21, 3857940), (27, 3000620), (28, 2893455), (30, 2700558), (35, 2314764), (36, 2250465), (42, 1928970), (45, 1800372), (54, 1500310), (60, 1350279), (63, 1285980), (70, 1157382), (84, 964485), (90, 900186), (105, 771588), (108, 750155), (126, 642990), (135, 600124), (140, 578691), (180, 450093), (189, 428660), (210, 385794), (252, 321495), (270, 300062), (315, 257196), (378, 214330), (420, 192897), (540, 150031), (630, 128598), (756, 107165), (945, 85732), (1260, 64299), (1890, 42866), (3780, 21433)]