71513820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18919}}^1$

素因数の和:18944

約数の個数: 96

約数和(自身を含む): 254284800

約数和(自身を除く): 182770980

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, 18919, 37838, 56757, 75676, 94595, 113514, 132433, 170271, 189190, 227028, 264866, 283785, 340542, 378380, 397299, 510813, 529732, 567570, 662165, 681084, 794598, 851355, 1021626, 1135140, 1191897, 1324330, 1589196, 1702710, 1986495, 2043252, 2383794, 2554065, 2648660, 3405420, 3575691, 3972990, 4767588, 5108130, 5959485, 7151382, 7945980, 10216260, 11918970, 14302764, 17878455, 23837940, 35756910, 71513820]

約数ペア:

[(1, 71513820), (2, 35756910), (3, 23837940), (4, 17878455), (5, 14302764), (6, 11918970), (7, 10216260), (9, 7945980), (10, 7151382), (12, 5959485), (14, 5108130), (15, 4767588), (18, 3972990), (20, 3575691), (21, 3405420), (27, 2648660), (28, 2554065), (30, 2383794), (35, 2043252), (36, 1986495), (42, 1702710), (45, 1589196), (54, 1324330), (60, 1191897), (63, 1135140), (70, 1021626), (84, 851355), (90, 794598), (105, 681084), (108, 662165), (126, 567570), (135, 529732), (140, 510813), (180, 397299), (189, 378380), (210, 340542), (252, 283785), (270, 264866), (315, 227028), (378, 189190), (420, 170271), (540, 132433), (630, 113514), (756, 94595), (945, 75676), (1260, 56757), (1890, 37838), (3780, 18919)]