6639780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{15809}}^1$

素因数の和:15828

約数の個数: 48

約数和(自身を含む): 21248640

約数和(自身を除く): 14608860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 15809, 31618, 47427, 63236, 79045, 94854, 110663, 158090, 189708, 221326, 237135, 316180, 331989, 442652, 474270, 553315, 663978, 948540, 1106630, 1327956, 1659945, 2213260, 3319890, 6639780]

約数ペア:

[(1, 6639780), (2, 3319890), (3, 2213260), (4, 1659945), (5, 1327956), (6, 1106630), (7, 948540), (10, 663978), (12, 553315), (14, 474270), (15, 442652), (20, 331989), (21, 316180), (28, 237135), (30, 221326), (35, 189708), (42, 158090), (60, 110663), (70, 94854), (84, 79045), (105, 63236), (140, 47427), (210, 31618), (420, 15809)]