8027820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 24644256

約数和(自身を除く): 16616436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 433, 515, 618, 866, 927, 1030, 1236, 1299, 1545, 1732, 1854, 2060, 2165, 2598, 3090, 3708, 3897, 4330, 4635, 5196, 6180, 6495, 7794, 8660, 9270, 12990, 15588, 18540, 19485, 25980, 38970, 44599, 77940, 89198, 133797, 178396, 222995, 267594, 401391, 445990, 535188, 668985, 802782, 891980, 1337970, 1605564, 2006955, 2675940, 4013910, 8027820]

約数ペア:

[(1, 8027820), (2, 4013910), (3, 2675940), (4, 2006955), (5, 1605564), (6, 1337970), (9, 891980), (10, 802782), (12, 668985), (15, 535188), (18, 445990), (20, 401391), (30, 267594), (36, 222995), (45, 178396), (60, 133797), (90, 89198), (103, 77940), (180, 44599), (206, 38970), (309, 25980), (412, 19485), (433, 18540), (515, 15588), (618, 12990), (866, 9270), (927, 8660), (1030, 7794), (1236, 6495), (1299, 6180), (1545, 5196), (1732, 4635), (1854, 4330), (2060, 3897), (2165, 3708), (2598, 3090)]