8357720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 22636800

約数和(自身を除く): 14279080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1571, 2660, 3142, 5320, 6284, 7855, 10997, 12568, 15710, 21994, 29849, 31420, 43988, 54985, 59698, 62840, 87976, 109970, 119396, 149245, 208943, 219940, 238792, 298490, 417886, 439880, 596980, 835772, 1044715, 1193960, 1671544, 2089430, 4178860, 8357720]

約数ペア:

[(1, 8357720), (2, 4178860), (4, 2089430), (5, 1671544), (7, 1193960), (8, 1044715), (10, 835772), (14, 596980), (19, 439880), (20, 417886), (28, 298490), (35, 238792), (38, 219940), (40, 208943), (56, 149245), (70, 119396), (76, 109970), (95, 87976), (133, 62840), (140, 59698), (152, 54985), (190, 43988), (266, 31420), (280, 29849), (380, 21994), (532, 15710), (665, 12568), (760, 10997), (1064, 7855), (1330, 6284), (1571, 5320), (2660, 3142)]