78644790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41611}}^1$

素因数の和:41634

約数の個数: 64

約数和(自身を含む): 239685120

約数和(自身を除く): 161040330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 41611, 83222, 124833, 208055, 249666, 291277, 374499, 416110, 582554, 624165, 748998, 873831, 1123497, 1248330, 1456385, 1747662, 1872495, 2246994, 2621493, 2912770, 3744990, 4369155, 5242986, 5617485, 7864479, 8738310, 11234970, 13107465, 15728958, 26214930, 39322395, 78644790]

約数ペア:

[(1, 78644790), (2, 39322395), (3, 26214930), (5, 15728958), (6, 13107465), (7, 11234970), (9, 8738310), (10, 7864479), (14, 5617485), (15, 5242986), (18, 4369155), (21, 3744990), (27, 2912770), (30, 2621493), (35, 2246994), (42, 1872495), (45, 1747662), (54, 1456385), (63, 1248330), (70, 1123497), (90, 873831), (105, 748998), (126, 624165), (135, 582554), (189, 416110), (210, 374499), (270, 291277), (315, 249666), (378, 208055), (630, 124833), (945, 83222), (1890, 41611)]